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Product Comparison

HP4 | Hybrid Polymer Exterior Sealant vs DAP® Dynaflex® 800 Advanced

Review side-by-side product details, technical notes, and practical differences.

HP4 | Hybrid Polymer Exterior Sealant

Origin Pro

HP4 | Hybrid Polymer Exterior Sealant

View Product
DAP® Dynaflex® 800 Advanced

Compared with

DAP® Dynaflex® 800 Advanced

Core Performance & Application Attributes

Sealant Technology

HP4 | Hybrid Polymer Exterior Sealant

Advanced Hybrid Polymer (SMP / MS Polymer)

DAP® Dynaflex® 800 Advanced

Advanced Hybrid Polymer
Product Class & Movement (ASTM C920)

HP4 | Hybrid Polymer Exterior Sealant

ASTM C920 – Class 25 (±25% joint movement)

DAP® Dynaflex® 800 Advanced

ASTM C920 – Class 25 (±25% joint movement)
Skin Formation / Tack-Free Performance

HP4 | Hybrid Polymer Exterior Sealant

Skin 15–20 minutes; Tack-Free approximately 30 minutes

DAP® Dynaflex® 800 Advanced

Tooling time approximately 30 minutes; Tack-Free approximately 2 hours
Application Temperature Range

HP4 | Hybrid Polymer Exterior Sealant

0°F to 120°F

DAP® Dynaflex® 800 Advanced

0°F to 120°F
Nozzle Options

HP4 | Hybrid Polymer Exterior Sealant

V-notch option for 3/8" siding joint coverage plus standard 4" nozzle for 1/4" window bead applications

DAP® Dynaflex® 800 Advanced

Standard 4” nozzle configuration

Comparative Overview

Both HP4 and DAP® DYNAFLEX® 800 utilize advanced hybrid polymer technology and meet ASTM C920 Class 25 movement requirements for exterior siding and window applications.

Attribute HP4 | Hybrid Polymer Exterior Sealant DAP® Dynaflex® 800 Advanced
Hybrid Polymer Technology
✓
✓
ASTM C920 Class 25
✓
✓
Faster Tack-Free Performance
✓
✕
Application Temperature 0°F–120°F
✓
✓
Application – Nozzle Options
✓
✕
Color Matching Capability
✓
✓

Hybrid Polymer Technology

HP4 | Hybrid Polymer Exterior Sealant

✓

DAP® Dynaflex® 800 Advanced

✓

ASTM C920 Class 25

HP4 | Hybrid Polymer Exterior Sealant

✓

DAP® Dynaflex® 800 Advanced

✓

Faster Tack-Free Performance

HP4 | Hybrid Polymer Exterior Sealant

✓

DAP® Dynaflex® 800 Advanced

✕

Application Temperature 0°F–120°F

HP4 | Hybrid Polymer Exterior Sealant

✓

DAP® Dynaflex® 800 Advanced

✓

Application – Nozzle Options

HP4 | Hybrid Polymer Exterior Sealant

✓

DAP® Dynaflex® 800 Advanced

✕

Color Matching Capability

HP4 | Hybrid Polymer Exterior Sealant

✓

DAP® Dynaflex® 800 Advanced

✓

Differences You’ll Notice

Key differences between HP4 and DAP® DYNAFLEX® 800 include tack-free time, nozzle configuration, and supply structure. HP4 reaches tack-free in approximately 30 minutes and is available through direct online ordering with case-based pricing and jobsite delivery.

Ready to Make the Switch?

Advanced hybrid technology. Easy on-line ordering platform. Delivered direct.

Beyond the Product Direct Online Ordering · Flexible Ordering Options · Pro Dashboard
View HP4 | Hybrid Polymer Exterior Sealant Details
Product Comparison Disclaimer

Product comparison information is based on publicly available technical data published by the respective manufacturers and available at the time of review. Comparisons are provided for general informational purposes only and do not imply product equivalence, specification approval, certification, or suitability for any particular application.

Product names, trademarks, packaging, and images are the property of their respective owners and are used solely for identification and comparative purposes. Legacy Sealants, Inc. and Origin Pro are not affiliated with, sponsored by, or endorsed by any referenced manufacturer.

Product formulations and specifications may change. Users should review current manufacturer technical literature and independently determine product suitability for their specific application.

All third-party trademarks are the property of their respective owners. Their use is solely for identification and comparative purposes and does not imply affiliation, sponsorship, or endorsement.

Product Comparison

HP4 | Hybrid Polymer Exterior Sealant vs DAP® Dynaflex® 920

Review side-by-side product details, technical notes, and practical differences.

HP4 | Hybrid Polymer Exterior Sealant

Origin Pro

HP4 | Hybrid Polymer Exterior Sealant

View Product
DAP® Dynaflex® 920

Compared with

DAP® Dynaflex® 920

Core Performance & Application Attributes

Sealant Technology

HP4 | Hybrid Polymer Exterior Sealant

Advanced Hybrid Polymer (SMP / MS Polymer)

DAP® Dynaflex® 920

Synthetic Rubber Elastomeric Technology
Product Class & Movement (ASTM C920)

HP4 | Hybrid Polymer Exterior Sealant

ASTM C920 – Class 25 (±25% joint movement)

DAP® Dynaflex® 920

ASTM C920 – Class 25 (±25% joint movement)
Skin Formation / Tack-Free Performance

HP4 | Hybrid Polymer Exterior Sealant

Skin 15–20 minutes / Tack-Free approximately 30 minutes

DAP® Dynaflex® 920

Tooling time approximately 5 minutes / Tack-Free approximately 10 minutes
Application Temperature Range

HP4 | Hybrid Polymer Exterior Sealant

0°F to 120°F

DAP® Dynaflex® 920

0°F to 120°F
Nozzle Options

HP4 | Hybrid Polymer Exterior Sealant

V-notch option for 3/8" siding joint coverage plus standard 4" nozzle for 1/4" window bead applications

DAP® Dynaflex® 920

Standard 4” nozzle configuration

Comparative Overview

Both HP4 and DAP® DYNAFLEX® 920 are designed for exterior siding, trim, and window applications.

Attribute HP4 | Hybrid Polymer Exterior Sealant DAP® Dynaflex® 920
Hybrid Polymer Technology
✓
✕
ASTM C920 Class 25
✓
✓
Application Temperature Range
✓
✓
Application – Nozzle Options
✓
✕
Low-Odor Formulation
✓
✕
Color Matching Capability
✓
✓

Hybrid Polymer Technology

HP4 | Hybrid Polymer Exterior Sealant

✓

DAP® Dynaflex® 920

✕

ASTM C920 Class 25

HP4 | Hybrid Polymer Exterior Sealant

✓

DAP® Dynaflex® 920

✓

Application Temperature Range

HP4 | Hybrid Polymer Exterior Sealant

✓

DAP® Dynaflex® 920

✓

Application – Nozzle Options

HP4 | Hybrid Polymer Exterior Sealant

✓

DAP® Dynaflex® 920

✕

Low-Odor Formulation

HP4 | Hybrid Polymer Exterior Sealant

✓

DAP® Dynaflex® 920

✕

Color Matching Capability

HP4 | Hybrid Polymer Exterior Sealant

✓

DAP® Dynaflex® 920

✓

Differences You’ll Notice

Key differences between HP4 and DAP® DYNAFLEX® 920 include sealant chemistry (hybrid vs solvent-based), tack-free timing, odor profile, nozzle configuration, and supply structure.

Ready to Make the Switch?

Advanced hybrid technology. 0°F to 120°F application range. Delivered direct.

Beyond the Product Direct Online Ordering · Flexible Ordering Options · Pro Dashboard
View HP4 | Hybrid Polymer Exterior Sealant Details
Product Comparison Disclaimer

Product comparison information is based on publicly available technical data published by the respective manufacturers and available at the time of review. Comparisons are provided for general informational purposes only and do not imply product equivalence, specification approval, certification, or suitability for any particular application.

Product names, trademarks, packaging, and images are the property of their respective owners and are used solely for identification and comparative purposes. Legacy Sealants, Inc. and Origin Pro are not affiliated with, sponsored by, or endorsed by any referenced manufacturer.

Product formulations and specifications may change. Users should review current manufacturer technical literature and independently determine product suitability for their specific application.

All third-party trademarks are the property of their respective owners. Their use is solely for identification and comparative purposes and does not imply affiliation, sponsorship, or endorsement.

Product Comparison

HP4 | Hybrid Polymer Exterior Sealant vs OSI® QUAD®

Review side-by-side product details, technical notes, and practical differences.

HP4 | Hybrid Polymer Exterior Sealant

Origin Pro

HP4 | Hybrid Polymer Exterior Sealant

View Product
OSI® QUAD®

Compared with

OSI® QUAD®

Core Performance & Application Attributes

Sealant Technology

HP4 | Hybrid Polymer Exterior Sealant

Advanced Hybrid Polymer (SMP / MS Polymer)

OSI® QUAD®

Elastomeric polymers with synthetic resins
Product Class & Movement (ASTM C920)

HP4 | Hybrid Polymer Exterior Sealant

ASTM C920 – Class 25 (±25% joint movement)

OSI® QUAD®

ASTM C920 – Class 25 (±25% joint movement)
Skin Formation / Tack-Free Performance

HP4 | Hybrid Polymer Exterior Sealant

Skin 15–20 minutes / Tack-Free approximately 30 minutes

OSI® QUAD®

4-6 minutes at 72° and 70% relative humidity / 10 hours at 72° and 70% relative humidity
Application Temperature Range

HP4 | Hybrid Polymer Exterior Sealant

0° F to 120° F

OSI® QUAD®

20° F to 100° F
Nozzle Options

HP4 | Hybrid Polymer Exterior Sealant

V-notch option for 3/8" siding joint coverage plus standard 4" nozzle for 1/4" window bead applications

OSI® QUAD®

Standard 4” nozzle configuration

Comparative Overview

Both HP4 and OSI® QUAD® are designed for exterior siding, trim, and window applications.

Attribute HP4 | Hybrid Polymer Exterior Sealant OSI® QUAD®
Hybrid Polymer Technology
✓
✕
ASTM C920 Class 25
✓
✓
Application Temperature Range
✓
✕
Application – Nozzle Options
✓
✕
Color Matching Capability
✓
✓

Hybrid Polymer Technology

HP4 | Hybrid Polymer Exterior Sealant

✓

OSI® QUAD®

✕

ASTM C920 Class 25

HP4 | Hybrid Polymer Exterior Sealant

✓

OSI® QUAD®

✓

Application Temperature Range

HP4 | Hybrid Polymer Exterior Sealant

✓

OSI® QUAD®

✕

Application – Nozzle Options

HP4 | Hybrid Polymer Exterior Sealant

✓

OSI® QUAD®

✕

Color Matching Capability

HP4 | Hybrid Polymer Exterior Sealant

✓

OSI® QUAD®

✓

Differences You’ll Notice

Key differences between HP4 and OSI® QUAD® include sealant chemistry (hybrid vs solvent-based), tack-free time, temperature workability, nozzle configuration, and supply structure.

Ready to Make the Switch?

Advanced hybrid technology. 0°F to 120°F application range. Delivered direct.

Beyond the Product Direct Online Ordering · Flexible Ordering Options · Pro Dashboard
View HP4 | Hybrid Polymer Exterior Sealant Details
Product Comparison Disclaimer

Product comparison information is based on publicly available technical data published by the respective manufacturers and available at the time of review. Comparisons are provided for general informational purposes only and do not imply product equivalence, specification approval, certification, or suitability for any particular application.

Product names, trademarks, packaging, and images are the property of their respective owners and are used solely for identification and comparative purposes. Legacy Sealants, Inc. and Origin Pro are not affiliated with, sponsored by, or endorsed by any referenced manufacturer.

Product formulations and specifications may change. Users should review current manufacturer technical literature and independently determine product suitability for their specific application.

All third-party trademarks are the property of their respective owners. Their use is solely for identification and comparative purposes and does not imply affiliation, sponsorship, or endorsement.

Product Comparison

HP4 | Hybrid Polymer Exterior Sealant vs OSI® QUAD® Max

Review side-by-side product details, technical notes, and practical differences.

HP4 | Hybrid Polymer Exterior Sealant

Origin Pro

HP4 | Hybrid Polymer Exterior Sealant

View Product
OSI® QUAD® Max

Compared with

OSI® QUAD® Max

Core Performance & Application Attributes

Sealant Technology

HP4 | Hybrid Polymer Exterior Sealant

Advanced Hybrid Polymer (SMP / MS Polymer)

OSI® QUAD® Max

Silane-Modified Polymer (Hybrid Technology)
Product Class & Movement (ASTM C920)

HP4 | Hybrid Polymer Exterior Sealant

ASTM C920 – Class 25 (±25% joint movement)

OSI® QUAD® Max

ASTM C920 – Class 50 (±50% joint movement)
Skin Formation / Tack-Free Performance

HP4 | Hybrid Polymer Exterior Sealant

Skin 15–20 minutes; Tack-Free approximately 30 minutes

OSI® QUAD® Max

Skin approximately 17–20 minutes; Tack-Free approximately 15 hours
Nozzle Options

HP4 | Hybrid Polymer Exterior Sealant

V-notch option for 3/8" siding joint coverage plus standard 4" nozzle for 1/4" window bead applications

OSI® QUAD® Max

Standard nozzle configuration

Comparative Overview

Both HP4 and OSI® QUAD® Max utilize advanced hybrid (MS Polymer) technology for exterior siding and window applications.

Attribute HP4 | Hybrid Polymer Exterior Sealant OSI® QUAD® Max
Hybrid Polymer Sealant
✓
✓
ASTM C920 Class 25
✓
✕
ASTM C920 Class 50
✕
✓
Application – Nozzle Options
✓
✕
10.1 fl oz Across All Colors
✓
✕
Clear SKU Clarity
✓
✕
Color Matching Capability
✓
✓

Hybrid Polymer Sealant

HP4 | Hybrid Polymer Exterior Sealant

✓

OSI® QUAD® Max

✓

ASTM C920 Class 25

HP4 | Hybrid Polymer Exterior Sealant

✓

OSI® QUAD® Max

✕

ASTM C920 Class 50

HP4 | Hybrid Polymer Exterior Sealant

✕

OSI® QUAD® Max

✓

Application – Nozzle Options

HP4 | Hybrid Polymer Exterior Sealant

✓

OSI® QUAD® Max

✕

10.1 fl oz Across All Colors

HP4 | Hybrid Polymer Exterior Sealant

✓

OSI® QUAD® Max

✕

Clear SKU Clarity

HP4 | Hybrid Polymer Exterior Sealant

✓

OSI® QUAD® Max

✕

Color Matching Capability

HP4 | Hybrid Polymer Exterior Sealant

✓

OSI® QUAD® Max

✓

Differences You’ll Notice

HP4 currently meets ASTM C920 Class 25 movement requirements, while OSI® QUAD® Max meets Class 50 movement requirements. Key differences between HP4 and QUAD® Max include tack-free time, cartridge fill volume, clear SKU appearance, and supply structure. HP4 provides a full 10.1 fl oz cartridge across all colors and includes application-specific nozzle options designed to support both siding and window installations. HP4 is available through direct online ordering with case-based pricing and delivery to the jobsite or office.

Ready to Make the Switch?

Advanced hybrid technology. 10.1 fl oz across all colors. Delivered direct.

Beyond the Product Direct Online Ordering · Flexible Ordering Options · Pro Dashboard
View HP4 | Hybrid Polymer Exterior Sealant Details
Product Comparison Disclaimer

Product comparison information is based on publicly available technical data published by the respective manufacturers and available at the time of review. Comparisons are provided for general informational purposes only and do not imply product equivalence, specification approval, certification, or suitability for any particular application.

Product names, trademarks, packaging, and images are the property of their respective owners and are used solely for identification and comparative purposes. Legacy Sealants, Inc. and Origin Pro are not affiliated with, sponsored by, or endorsed by any referenced manufacturer.

Product formulations and specifications may change. Users should review current manufacturer technical literature and independently determine product suitability for their specific application.

All third-party trademarks are the property of their respective owners. Their use is solely for identification and comparative purposes and does not imply affiliation, sponsorship, or endorsement.

Product Comparison

HP4 | Hybrid Polymer Exterior Sealant vs Solar Seal® #900 Solar Seal®

Review side-by-side product details, technical notes, and practical differences.

HP4 | Hybrid Polymer Exterior Sealant

Origin Pro

HP4 | Hybrid Polymer Exterior Sealant

View Product
Solar Seal® #900 Solar Seal®

Compared with

Solar Seal® #900 Solar Seal®

Core Performance & Application Attributes

Sealant Technology

HP4 | Hybrid Polymer Exterior Sealant

Advanced Hybrid Polymer (SMP / MS Polymer)

Solar Seal® #900 Solar Seal®

Terpolymer Elastomeric Technology
Product Class & Movement (ASTM C920)

HP4 | Hybrid Polymer Exterior Sealant

ASTM C920 – Class 25 (±25% joint movement)

Solar Seal® #900 Solar Seal®

ASTM C920 – Class 25 (±25% joint movement)
Skin Formation / Tack-Free Performance

HP4 | Hybrid Polymer Exterior Sealant

Skin 15–20 minutes; Tack-Free approximately 30 minutes

Solar Seal® #900 Solar Seal®

Thin skin in 24 hours, Complete cure approximately 21 days @ 75°F; Tack-Free 4 hours
Application Temperature Range

HP4 | Hybrid Polymer Exterior Sealant

0°F to 120°F

Solar Seal® #900 Solar Seal®

10°F to 125°F
Nozzle Options

HP4 | Hybrid Polymer Exterior Sealant

V-notch option for 3/8" siding joint coverage plus standard 4" nozzle for 1/4" window bead applications

Solar Seal® #900 Solar Seal®

Standard nozzle configuration

Comparative Overview

Both HP4 and #900 Solar Seal® meet ASTM C920 Class 25 movement requirements for exterior siding and window applications.

Attribute HP4 | Hybrid Polymer Exterior Sealant Solar Seal® #900 Solar Seal®
Hybrid Polymer Technology
✓
✕
ASTM C920 Class 25
✓
✓
Faster Skin / Cure Profile
✓
✕
Application Temperature Range
✓
✕
No Overnight Tube Warming Required
✓
✕
Application – Nozzle Options
✓
✕
Color Matching Capability
✓
✓

Hybrid Polymer Technology

HP4 | Hybrid Polymer Exterior Sealant

✓

Solar Seal® #900 Solar Seal®

✕

ASTM C920 Class 25

HP4 | Hybrid Polymer Exterior Sealant

✓

Solar Seal® #900 Solar Seal®

✓

Faster Skin / Cure Profile

HP4 | Hybrid Polymer Exterior Sealant

✓

Solar Seal® #900 Solar Seal®

✕

Application Temperature Range

HP4 | Hybrid Polymer Exterior Sealant

✓

Solar Seal® #900 Solar Seal®

✕

No Overnight Tube Warming Required

HP4 | Hybrid Polymer Exterior Sealant

✓

Solar Seal® #900 Solar Seal®

✕

Application – Nozzle Options

HP4 | Hybrid Polymer Exterior Sealant

✓

Solar Seal® #900 Solar Seal®

✕

Color Matching Capability

HP4 | Hybrid Polymer Exterior Sealant

✓

Solar Seal® #900 Solar Seal®

✓

Differences You’ll Notice

Key differences between HP4 and #900 Solar Seal® include sealant chemistry, skin and cure timing, application temperature range, cold-weather handling requirements, nozzle configuration, and supply structure. HP4 skins in 15–20 minutes and reaches tack-free in approximately 30 minutes, supporting faster progression on the jobsite. HP4 can be applied from 0°F to 120°F and does not require overnight tube warming in cool conditions, reducing preparation time before installation. HP4 is available through direct online ordering with case-based pricing and delivery to the jobsite or office.

Ready to Make the Switch?

Advanced hybrid technology. Apply from 0° F – no overnight warming required. Delivered direct.

Beyond the Product Direct Online Ordering · Flexible Ordering Options · Pro Dashboard
View HP4 | Hybrid Polymer Exterior Sealant Details
Product Comparison Disclaimer

Product comparison information is based on publicly available technical data published by the respective manufacturers and available at the time of review. Comparisons are provided for general informational purposes only and do not imply product equivalence, specification approval, certification, or suitability for any particular application.

Product names, trademarks, packaging, and images are the property of their respective owners and are used solely for identification and comparative purposes. Legacy Sealants, Inc. and Origin Pro are not affiliated with, sponsored by, or endorsed by any referenced manufacturer.

Product formulations and specifications may change. Users should review current manufacturer technical literature and independently determine product suitability for their specific application.

All third-party trademarks are the property of their respective owners. Their use is solely for identification and comparative purposes and does not imply affiliation, sponsorship, or endorsement.

Product Comparison

HP4 | Hybrid Polymer Exterior Sealant vs Geocel® 2300 Construction Tripolymer Sealant

Review side-by-side product details, technical notes, and practical differences.

HP4 | Hybrid Polymer Exterior Sealant

Origin Pro

HP4 | Hybrid Polymer Exterior Sealant

View Product
Geocel® 2300 Construction Tripolymer Sealant

Compared with

Geocel® 2300 Construction Tripolymer Sealant

Core Performance & Application Attributes

Sealant Technology

HP4 | Hybrid Polymer Exterior Sealant

Advanced Hybrid Polymer (SMP / MS Polymer)

Geocel® 2300 Construction Tripolymer Sealant

Solvent-Based Tripolymer Sealant
Product Class & Movement (ASTM C920)

HP4 | Hybrid Polymer Exterior Sealant

ASTM C920 – Class 25 (±25% Joint Movement)

Geocel® 2300 Construction Tripolymer Sealant

ASTM C920 compliance not listed in published technical data.
Skin Formation / Tack-Free Performance

HP4 | Hybrid Polymer Exterior Sealant

Skins in approximately 15–20 minutes. Tack-free in approximately 30 minutes.

Geocel® 2300 Construction Tripolymer Sealant

Tack-free approximately 120 minutes. Full cure approximately 5 days.
Application Temperature Range

HP4 | Hybrid Polymer Exterior Sealant

0°F to 120°F

Geocel® 2300 Construction Tripolymer Sealant

0°F to 140°F.

Comparative Overview

Both HP4 and Geocel® 2300 are professional exterior sealants designed for siding, window, and trim applications.

Attribute HP4 | Hybrid Polymer Exterior Sealant Geocel® 2300 Construction Tripolymer Sealant
Hybrid Polymer Technology
✓
✕
Solvent-Based Technology
✕
✓
ASTM C920 Compliant
✓
✕
Professional Siding, Window & Trim Applications
✓
✓
Clear Available
✓
✓

Hybrid Polymer Technology

HP4 | Hybrid Polymer Exterior Sealant

✓

Geocel® 2300 Construction Tripolymer Sealant

✕

Solvent-Based Technology

HP4 | Hybrid Polymer Exterior Sealant

✕

Geocel® 2300 Construction Tripolymer Sealant

✓

ASTM C920 Compliant

HP4 | Hybrid Polymer Exterior Sealant

✓

Geocel® 2300 Construction Tripolymer Sealant

✕

Professional Siding, Window & Trim Applications

HP4 | Hybrid Polymer Exterior Sealant

✓

Geocel® 2300 Construction Tripolymer Sealant

✓

Clear Available

HP4 | Hybrid Polymer Exterior Sealant

✓

Geocel® 2300 Construction Tripolymer Sealant

✓

Differences You’ll Notice

Contractors switching to HP4 will notice several differences that can improve application and jobsite efficiency. HP4's Hybrid Polymer technology cures with virtually no shrinkage, meets ASTM C920 Class 25 performance requirements, offers improved low-temperature handling and cleaner cut-off, and is available in top industry color matches including Clear. Flexible contractor and dealer purchasing programs provide delivery to your shop or jobsite.

Ready to Make the Switch?

Hybrid Polymer technology with virtually no cure shrinkage. ASTM C920 Class 25 compliant. Better handling and cleaner cut-off. Top industry color matches, including Clear. Flexible contractor and dealer purchasing programs with delivery to your shop or jobsite.

Beyond the Product Direct Online Ordering · Flexible Ordering Options · Pro Dashboard
View HP4 | Hybrid Polymer Exterior Sealant Details
Product Comparison Disclaimer

Product comparison information is based on publicly available technical data published by the respective manufacturers and available at the time of review. Comparisons are provided for general informational purposes only and do not imply product equivalence, specification approval, certification, or suitability for any particular application.

Product names, trademarks, packaging, and images are the property of their respective owners and are used solely for identification and comparative purposes. Legacy Sealants, Inc. and Origin Pro are not affiliated with, sponsored by, or endorsed by any referenced manufacturer.

Product formulations and specifications may change. Users should review current manufacturer technical literature and independently determine product suitability for their specific application.

All third-party trademarks are the property of their respective owners. Their use is solely for identification and comparative purposes and does not imply affiliation, sponsorship, or endorsement.

Product Comparison

HP4 | Hybrid Polymer Exterior Sealant vs Sika® Sikaflex® NP 1

Review side-by-side product details, technical notes, and practical differences.

HP4 | Hybrid Polymer Exterior Sealant

Origin Pro

HP4 | Hybrid Polymer Exterior Sealant

View Product
Sika® Sikaflex® NP 1

Compared with

Sika® Sikaflex® NP 1

Core Performance & Application Attributes

Sealant Technology

HP4 | Hybrid Polymer Exterior Sealant

Advanced Hybrid Polymer (SMP / MS Polymer)

Sika® Sikaflex® NP 1

Moisture-Curing Polyurethane (Urethane)
Product Class & Movement (ASTM C920)

HP4 | Hybrid Polymer Exterior Sealant

ASTM C920 – Class 25 (±25% joint movement)

Sika® Sikaflex® NP 1

ASTM C920 – Class 35 (±35% joint movement)
Skin Formation / Tack-Free Performance

HP4 | Hybrid Polymer Exterior Sealant

Skin 15–20 minutes / Tack-Free approximately 30 minutes

Sika® Sikaflex® NP 1

Skins overnight (within 24 hours); Full cure approximately 1 week
Application Temperature Range

HP4 | Hybrid Polymer Exterior Sealant

0° F to 120° F

Sika® Sikaflex® NP 1

Application generally recommended at 40° F and above (per TDS guidance)
Nozzle Options

HP4 | Hybrid Polymer Exterior Sealant

V-notch option for 3/8" siding joint coverage plus standard 4" nozzle for 1/4" window bead applications

Sika® Sikaflex® NP 1

Standard nozzle configuration

Comparative Overview

Both HP4 and Sikaflex® NP 1 are designed for exterior sealing applications and meet ASTM C920 requirements.

Attribute HP4 | Hybrid Polymer Exterior Sealant Sika® Sikaflex® NP 1
Hybrid Polymer Technology
✓
✕
Polyurethane (Urethane) Technology
✕
✓
ASTM C920 Class 25
✓
✕
ASTM C920 Class 35
✕
✓
Faster Skin / Cure Profile
✓
✕
Application Temperature Down to 0°F
✓
✕
Intended Use – Siding & Window
✓
✕
Intended Use – Roofing / Commercial
✕
✓

Hybrid Polymer Technology

HP4 | Hybrid Polymer Exterior Sealant

✓

Sika® Sikaflex® NP 1

✕

Polyurethane (Urethane) Technology

HP4 | Hybrid Polymer Exterior Sealant

✕

Sika® Sikaflex® NP 1

✓

ASTM C920 Class 25

HP4 | Hybrid Polymer Exterior Sealant

✓

Sika® Sikaflex® NP 1

✕

ASTM C920 Class 35

HP4 | Hybrid Polymer Exterior Sealant

✕

Sika® Sikaflex® NP 1

✓

Faster Skin / Cure Profile

HP4 | Hybrid Polymer Exterior Sealant

✓

Sika® Sikaflex® NP 1

✕

Application Temperature Down to 0°F

HP4 | Hybrid Polymer Exterior Sealant

✓

Sika® Sikaflex® NP 1

✕

Intended Use – Siding & Window

HP4 | Hybrid Polymer Exterior Sealant

✓

Sika® Sikaflex® NP 1

✕

Intended Use – Roofing / Commercial

HP4 | Hybrid Polymer Exterior Sealant

✕

Sika® Sikaflex® NP 1

✓

Differences You’ll Notice

Sikaflex® NP 1 is a polyurethane sealant frequently specified for commercial roofing, façade systems, and higher-movement joints. HP4 is positioned for siding, window, and trim installations requiring efficient application, faster tack-free timing, and broader temperature flexibility. Contractors selecting between the two should consider project type: commercial façade and roofing applications versus residential siding and window installations.

Ready to Make the Switch?

Advanced hybrid technology. Built for siding and window installs. Delivered direct.

Beyond the Product Direct Online Ordering · Flexible Ordering Options · Pro Dashboard
View HP4 | Hybrid Polymer Exterior Sealant Details
Product Comparison Disclaimer

Product comparison information is based on publicly available technical data published by the respective manufacturers and available at the time of review. Comparisons are provided for general informational purposes only and do not imply product equivalence, specification approval, certification, or suitability for any particular application.

Product names, trademarks, packaging, and images are the property of their respective owners and are used solely for identification and comparative purposes. Legacy Sealants, Inc. and Origin Pro are not affiliated with, sponsored by, or endorsed by any referenced manufacturer.

Product formulations and specifications may change. Users should review current manufacturer technical literature and independently determine product suitability for their specific application.

All third-party trademarks are the property of their respective owners. Their use is solely for identification and comparative purposes and does not imply affiliation, sponsorship, or endorsement.

Product Comparison

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure) vs GE® Advanced Silicone 2 Window & Door Sealant

Review side-by-side product details, technical notes, and practical differences.

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

Origin Pro

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

View Product
GE® Advanced Silicone 2 Window & Door Sealant

Compared with

GE® Advanced Silicone 2 Window & Door Sealant

Core Performance & Application Attributes

Sealant Technology

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

100% Acetoxy-Cure Silicone

GE® Advanced Silicone 2 Window & Door Sealant

Neutral-Cure Silicone Sealant
Product Class & Movement (ASTM C920)

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

Meets the intent of ASTM C920 for non-porous exterior glazing applications

GE® Advanced Silicone 2 Window & Door Sealant

ASTM C920 – Class 35 (±35% joint movement)
Skin Formation / Tack-Free Performance

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

Skin 10–15 minutes / Tack-Free approximately 20–30 minutes

GE® Advanced Silicone 2 Window & Door Sealant

Work life approximately 5–10 minutes / Tack-Free approximately 30 minutes
Primary Application Focus

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

Exterior glazing and exposed joint sealing

GE® Advanced Silicone 2 Window & Door Sealant

Window and door weatherproofing applications
Distribution

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

Online ordering. Case-based contractor pricing. Delivered direct to jobsite or office.

GE® Advanced Silicone 2 Window & Door Sealant

Retail and building material supply distribution.

Comparative Overview

Both HP3 and GE Advanced Silicone 2 are silicone sealants designed for exterior sealing applications around windows, doors, and other non-porous construction substrates.

Attribute HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure) GE® Advanced Silicone 2 Window & Door Sealant
100% Silicone Sealant
✓
✓
Acetoxy-Cure Silicone
✓
✕
Neutral-Cure Silicone
✕
✓
ASTM C920 Class 35
✕
✓
Primary Application Focus – Exterior Glazing
✓
✕
Fast Skin Formation
✓
✕
Rain-Ready Performance
✓
✓

100% Silicone Sealant

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

✓

GE® Advanced Silicone 2 Window & Door Sealant

✓

Acetoxy-Cure Silicone

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

✓

GE® Advanced Silicone 2 Window & Door Sealant

✕

Neutral-Cure Silicone

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

✕

GE® Advanced Silicone 2 Window & Door Sealant

✓

ASTM C920 Class 35

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

✕

GE® Advanced Silicone 2 Window & Door Sealant

✓

Primary Application Focus – Exterior Glazing

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

✓

GE® Advanced Silicone 2 Window & Door Sealant

✕

Fast Skin Formation

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

✓

GE® Advanced Silicone 2 Window & Door Sealant

✕

Rain-Ready Performance

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

✓

GE® Advanced Silicone 2 Window & Door Sealant

✓

Differences You’ll Notice

Key differences between HP3 and GE Advanced Silicone 2 include silicone cure chemistry (acetoxy vs neutral cure), movement classification, skin timing, and supply structure. HP3 is optimized for exterior glazing and exposed joint sealing, while GE Advanced Silicone 2 is commonly used for window and door weatherproofing applications.

Ready to Make the Switch?

Professional-grade 100% silicone. Exterior glazing performance. Delivered direct.

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View HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure) Details
Product Comparison Disclaimer

Product comparison information is based on publicly available technical data published by the respective manufacturers and available at the time of review. Comparisons are provided for general informational purposes only and do not imply product equivalence, specification approval, certification, or suitability for any particular application.

Product names, trademarks, packaging, and images are the property of their respective owners and are used solely for identification and comparative purposes. Legacy Sealants, Inc. and Origin Pro are not affiliated with, sponsored by, or endorsed by any referenced manufacturer.

Product formulations and specifications may change. Users should review current manufacturer technical literature and independently determine product suitability for their specific application.

All third-party trademarks are the property of their respective owners. Their use is solely for identification and comparative purposes and does not imply affiliation, sponsorship, or endorsement.

Product Comparison

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure) vs NovaFlex® Multi-Purpose Adhesive Sealant

Review side-by-side product details, technical notes, and practical differences.

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

Origin Pro

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

View Product
NovaFlex® Multi-Purpose Adhesive Sealant

Compared with

NovaFlex® Multi-Purpose Adhesive Sealant

Core Performance & Application Attributes

Sealant Technology

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

Premium Neutral-Cure (Alkoxy) RTV Silicone

NovaFlex® Multi-Purpose Adhesive Sealant

Single-Component Neutral-Cure Silicone
Product Class & Movement (ASTM C920)

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

ASTM C920 – Class 50 (±50% Joint Movement)

NovaFlex® Multi-Purpose Adhesive Sealant

Type II – ASTM C920 Class 50 (±50% Joint Movement). Type I formulations are rated Class 35.
Skin Formation / Tack-Free Performance

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

Skin time approximately 20–30 minutes. Water & rain ready in approximately 30 minutes. Full cure approximately 24 hours.

NovaFlex® Multi-Purpose Adhesive Sealant

Skin-over time approximately 5–10 minutes. Through-cure approximately 48 hours at 3/8"; 14 days listed for OEM window applications.
Application Temperature Range

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

40°F to 100°F

NovaFlex® Multi-Purpose Adhesive Sealant

The TDS states not to install when surface temperature is below 0°F or exceeds 120°F.

Comparative Overview

Both HP3 and NovaFlex® Multi-Purpose Adhesive Sealant are professional neutral-cure silicone products designed for demanding window and door applications.

αβγ προσωρινό comparative overview
αβγ προσωρινό comparative overview

Differences You’ll Notice

Both products offer neutral-cure, non-corrosive silicone technology appropriate for professional window and door applications. HP3 and NovaFlex Type II both provide ASTM C920 Class 50 performance with ±50% joint movement capability. HP3 is water & rain ready in approximately 30 minutes; the NovaFlex TDS lists approximately 48 hours through-cure at 3/8 inch and does not publish a comparable 30-minute water-ready claim. HP3 is designed for professional jobsite applications including window and door perimeter sealing, while NovaFlex Multi-Purpose is used most frequently in window and door manufacturing for glazing and structural back-bedding. HP3 is available through flexible contractor and dealer purchasing programs with delivery directly to your shop or jobsite.

Ready to Make the Switch?

Premium neutral-cure silicone performance. ASTM C920 Class 50. ±50% joint movement capability. 30-minute water & rain ready. Direct online ordering. Delivered to your shop or jobsite.

Beyond the Product Direct Online Ordering · Flexible Ordering Options · Pro Dashboard
View HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure) Details
Product Comparison Disclaimer

Product comparison information is based on publicly available technical data published by the respective manufacturers and available at the time of review. Comparisons are provided for general informational purposes only and do not imply product equivalence, specification approval, certification, or suitability for any particular application.

Product names, trademarks, packaging, and images are the property of their respective owners and are used solely for identification and comparative purposes. Legacy Sealants, Inc. and Origin Pro are not affiliated with, sponsored by, or endorsed by any referenced manufacturer.

Product formulations and specifications may change. Users should review current manufacturer technical literature and independently determine product suitability for their specific application.

All third-party trademarks are the property of their respective owners. Their use is solely for identification and comparative purposes and does not imply affiliation, sponsorship, or endorsement.

Product Comparison

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure) vs DAP® 100% Silicone Rubber Window, Door & Siding

Review side-by-side product details, technical notes, and practical differences.

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

Origin Pro

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

View Product
DAP® 100% Silicone Rubber Window, Door & Siding

Compared with

DAP® 100% Silicone Rubber Window, Door & Siding

Core Performance & Application Attributes

Product Class & Movement (ASTM C920)

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

ASTM C920 Class 25; ±25% movement capability

DAP® 100% Silicone Rubber Window, Door & Siding

ASTM C920 Class 25; ±25% movement capability
Distribution

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

Professional contractor-oriented supply with direct ordering

DAP® 100% Silicone Rubber Window, Door & Siding

Widely available retail format
Primary Application Focus

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

Exterior sealing applications including windows, doors, siding, and general construction joints

DAP® 100% Silicone Rubber Window, Door & Siding

Exterior sealing applications including windows, doors, siding, and general construction joints

Comparative Overview

Both products meet ASTM C920 Class 25 performance requirements and are suitable for exterior sealing applications.

Attribute HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure) DAP® 100% Silicone Rubber Window, Door & Siding
Neutral Cure Silicone
✓
Yes
✕
No
ASTM C920 Class 25
✓
Yes
✓
Yes
±25% Movement Capability
✓
Yes
✓
Yes
Low Odor Application
✓
Yes
✕
No
Smooth, Controlled Bead
✓
Yes
–
Moderate
No Tooling Required
✓
Yes
✕
No
Broad Substrate Compatibility
✓
Yes
–
Limited
Mold & Mildew Resistant
✓
Yes
✓
Yes
Exterior Weather Resistance
✓
Yes
✓
Yes
Professional-Grade Performance
✓
Yes
–
General Purpose

Neutral Cure Silicone

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

✓
Yes

DAP® 100% Silicone Rubber Window, Door & Siding

✕
No

ASTM C920 Class 25

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

✓
Yes

DAP® 100% Silicone Rubber Window, Door & Siding

✓
Yes

±25% Movement Capability

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

✓
Yes

DAP® 100% Silicone Rubber Window, Door & Siding

✓
Yes

Low Odor Application

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

✓
Yes

DAP® 100% Silicone Rubber Window, Door & Siding

✕
No

Smooth, Controlled Bead

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

✓
Yes

DAP® 100% Silicone Rubber Window, Door & Siding

–
Moderate

No Tooling Required

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

✓
Yes

DAP® 100% Silicone Rubber Window, Door & Siding

✕
No

Broad Substrate Compatibility

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

✓
Yes

DAP® 100% Silicone Rubber Window, Door & Siding

–
Limited

Mold & Mildew Resistant

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

✓
Yes

DAP® 100% Silicone Rubber Window, Door & Siding

✓
Yes

Exterior Weather Resistance

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

✓
Yes

DAP® 100% Silicone Rubber Window, Door & Siding

✓
Yes

Professional-Grade Performance

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

✓
Yes

DAP® 100% Silicone Rubber Window, Door & Siding

–
General Purpose

Differences You’ll Notice

Legacy Pro™ HP3 is engineered for professional contractor use, offering improved workability, cleaner application, and greater substrate compatibility. DAP® 100% Silicone provides dependable performance in a widely available retail format, with limitations typical of acetoxy cure silicones.

Ready to Make the Switch?

Legacy Pro™ HP3 is engineered for professional contractor use, offering improved workability, cleaner application, and greater substrate compatibility.

Beyond the Product Direct Online Ordering · Flexible Ordering Options · Pro Dashboard
View HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure) Details
Product Comparison Disclaimer

Product comparison information is based on publicly available technical data published by the respective manufacturers and available at the time of review. Comparisons are provided for general informational purposes only and do not imply product equivalence, specification approval, certification, or suitability for any particular application.

Product names, trademarks, packaging, and images are the property of their respective owners and are used solely for identification and comparative purposes. Legacy Sealants, Inc. and Origin Pro are not affiliated with, sponsored by, or endorsed by any referenced manufacturer.

Product formulations and specifications may change. Users should review current manufacturer technical literature and independently determine product suitability for their specific application.

All third-party trademarks are the property of their respective owners. Their use is solely for identification and comparative purposes and does not imply affiliation, sponsorship, or endorsement.

Product Comparison

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure) vs GE® 2000

Review side-by-side product details, technical notes, and practical differences.

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

Origin Pro

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

View Product
αβγ εικόνα

Compared with

GE® 2000

Core Performance & Application Attributes

Sealant Technology

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

Premium Neutral-Cure (Alkoxy) RTV Silicone

GE® 2000

One-Part Acetoxy Cure Silicone
Product Class & Movement (ASTM C920)

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

ASTM C920 – Class 50 (±50% Joint Movement)

GE® 2000

ASTM C920 classification not published in the available technical data.
Skin Formation / Tack-Free Performance

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

Water & rain ready in approximately 30 minutes. Full cure approximately 24 hours.

GE® 2000

Tack free approximately 10 minutes. Cure time approximately 2 days (5 mm thickness).
Application Temperature Range

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

40°F to 100°F

GE® 2000

Not published.

Comparative Overview

Both HP3 and GE 2000® are 100% silicone sealants designed to provide durable weather-resistant seals.

αβγ προσωρινό comparative overview
αβγ προσωρινό comparative overview

Differences You’ll Notice

HP3 utilizes neutral-cure (alkoxy) silicone technology, while GE 2000® uses an acetoxy cure system. HP3 meets ASTM C920 Class 50 performance requirements with ±50% joint movement capability. HP3 offers low-odor, non-corrosive performance suitable for a broader range of construction materials. HP3 is available through flexible contractor and dealer purchasing programs with delivery directly to your shop or jobsite. ORIGIN PRO provides online ordering, contractor account management and professional support through the ORIGIN PRO platform.

Ready to Make the Switch?

Premium neutral-cure silicone performance. ASTM C920 Class 50 compliance. Low-odor, non-corrosive formulation. Direct online ordering. Delivered to your shop or jobsite. Professional contractor support.

Beyond the Product Direct Online Ordering · Flexible Ordering Options · Pro Dashboard
View HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure) Details
Product Comparison Disclaimer

Product comparison information is based on publicly available technical data published by the respective manufacturers and available at the time of review. Comparisons are provided for general informational purposes only and do not imply product equivalence, specification approval, certification, or suitability for any particular application.

Product names, trademarks, packaging, and images are the property of their respective owners and are used solely for identification and comparative purposes. Legacy Sealants, Inc. and Origin Pro are not affiliated with, sponsored by, or endorsed by any referenced manufacturer.

Product formulations and specifications may change. Users should review current manufacturer technical literature and independently determine product suitability for their specific application.

All third-party trademarks are the property of their respective owners. Their use is solely for identification and comparative purposes and does not imply affiliation, sponsorship, or endorsement.

Product Comparison

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure) vs DOWSIL™ 999-A Building and Glazing Sealant

Review side-by-side product details, technical notes, and practical differences.

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

Origin Pro

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

View Product
DOWSIL™ 999-A Building and Glazing Sealant

Compared with

DOWSIL™ 999-A Building and Glazing Sealant

Core Performance & Application Attributes

Sealant Technology

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

Premium Neutral-Cure (Alkoxy) RTV Silicone

DOWSIL™ 999-A Building and Glazing Sealant

One-Part Acetoxy RTV Silicone
Product Class & Movement (ASTM C920)

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

ASTM C920 – Class 50 (±50% Joint Movement)

DOWSIL™ 999-A Building and Glazing Sealant

ASTM C920 – Class 25
Skin Formation / Tack-Free Performance

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

Skins in approximately 20–30 minutes. Tack-free in approximately 30 minutes. Full cure approximately 24 hours.

DOWSIL™ 999-A Building and Glazing Sealant

Tooling time approximately 5–10 minutes. Tack-free in approximately 10–20 minutes.
Application Temperature Range

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

40°F to 100°F

DOWSIL™ 999-A Building and Glazing Sealant

Not published in the provided TDS.

Comparative Overview

Both HP3 and DOWSIL™ 999-A are professional 100% silicone sealants designed for demanding construction sealing applications.

αβγ προσωρινό comparative overview
αβγ προσωρινό comparative overview

Differences You’ll Notice

HP3 utilizes neutral-cure (alkoxy) silicone technology, while DOWSIL™ 999-A utilizes acetoxy-cure silicone technology. HP3 meets ASTM C920 Class 50 requirements compared with Class 25 for DOWSIL™ 999-A. HP3 provides ±50% joint movement capability and is specifically positioned for professional window, door, siding and trim applications. HP3's neutral-cure formulation is non-corrosive, while Dow specifically limits DOWSIL™ 999-A on surfaces sensitive to corrosion from acetic-acid cure vapors. HP3 is available through flexible contractor and dealer purchasing programs with delivery directly to your shop or jobsite.

Ready to Make the Switch?

Premium neutral-cure silicone technology. ASTM C920 Class 50 performance. ±50% joint movement capability. Non-corrosive formulation. Direct online ordering. Delivered to your shop or jobsite.

Beyond the Product Direct Online Ordering · Flexible Ordering Options · Pro Dashboard
View HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure) Details
Product Comparison Disclaimer

Product comparison information is based on publicly available technical data published by the respective manufacturers and available at the time of review. Comparisons are provided for general informational purposes only and do not imply product equivalence, specification approval, certification, or suitability for any particular application.

Product names, trademarks, packaging, and images are the property of their respective owners and are used solely for identification and comparative purposes. Legacy Sealants, Inc. and Origin Pro are not affiliated with, sponsored by, or endorsed by any referenced manufacturer.

Product formulations and specifications may change. Users should review current manufacturer technical literature and independently determine product suitability for their specific application.

All third-party trademarks are the property of their respective owners. Their use is solely for identification and comparative purposes and does not imply affiliation, sponsorship, or endorsement.

Product Comparison

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure) vs DOWSIL™ 795 Silicone Building Sealant

Review side-by-side product details, technical notes, and practical differences.

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

Origin Pro

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

View Product
DOWSIL™ 795 Silicone Building Sealant

Compared with

DOWSIL™ 795 Silicone Building Sealant

Core Performance & Application Attributes

Sealant Technology

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

Premium Neutral-Cure (Alkoxy) RTV Silicone

DOWSIL™ 795 Silicone Building Sealant

One-Part Neutral-Cure RTV Silicone
Product Class & Movement (ASTM C920)

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

ASTM C920 – Type S, Grade NS, Class 50 (±50% Joint Movement)

DOWSIL™ 795 Silicone Building Sealant

ASTM C920 – Type S, Grade NS, Class 50 (±50% Joint Movement)
Skin Formation / Tack-Free Performance

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

Skin time approximately 20–30 minutes. Water & rain ready in approximately 30 minutes. Full cure approximately 24 hours.

DOWSIL™ 795 Silicone Building Sealant

Working time approximately 20–30 minutes. Tack-free approximately 3 hours. Cure time approximately 7–14 days, with full adhesion in 14–21 days.
Application Temperature Range

HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure)

40°F to 100°F

DOWSIL™ 795 Silicone Building Sealant

All-temperature gunability; the TDS specifies not to install when surface temperatures exceed 122°F. A specific lower application-temperature limit is not stated in the provided TDS.

Comparative Overview

Both HP3 and DOWSIL™ 795 are premium neutral-cure RTV silicone sealants that meet ASTM C920 Class 50 requirements and provide ±50% joint movement capability.

αβγ προσωρινό comparative overview
αβγ προσωρινό comparative overview

Differences You’ll Notice

Both products provide neutral-cure RTV silicone technology, ASTM C920 Class 50 performance and ±50% joint movement capability. HP3 is designed around professional window, door, siding, trim and general residential/commercial sealing, while DOWSIL™ 795 extends into structural glazing and architectural panel applications. HP3 is water & rain ready in approximately 30 minutes, while DOWSIL™ 795 lists approximately 3 hours tack-free and 7–14 days cure time. HP3 is available through flexible contractor and dealer purchasing programs with delivery directly to your shop or jobsite.

Ready to Make the Switch?

Premium neutral-cure RTV silicone. ASTM C920 Class 50 performance. ±50% joint movement capability. 30-minute water & rain ready. Direct online ordering. Delivered to your shop or jobsite.

Beyond the Product Direct Online Ordering · Flexible Ordering Options · Pro Dashboard
View HP3 | 100% Silicone Exterior Sealant (Acetoxy Cure) Details
Product Comparison Disclaimer

Product comparison information is based on publicly available technical data published by the respective manufacturers and available at the time of review. Comparisons are provided for general informational purposes only and do not imply product equivalence, specification approval, certification, or suitability for any particular application.

Product names, trademarks, packaging, and images are the property of their respective owners and are used solely for identification and comparative purposes. Legacy Sealants, Inc. and Origin Pro are not affiliated with, sponsored by, or endorsed by any referenced manufacturer.

Product formulations and specifications may change. Users should review current manufacturer technical literature and independently determine product suitability for their specific application.

All third-party trademarks are the property of their respective owners. Their use is solely for identification and comparative purposes and does not imply affiliation, sponsorship, or endorsement.

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