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ORIGIN PRO COMPARE

Origin Pro HP4 vs. DAP® DYNAFLEX® 800 Advanced

DAP® DYNAFLEX® 800 Advanced All Weather Sealant

Compared with

DAP® DYNAFLEX® 800 Advanced All Weather Sealant

At a Glance

HP4 and DAP DYNAFLEX 800 Advanced are professional hybrid-polymer sealants that meet ASTM C920 Class 25 and apply from 0°F to 120°F. DYNAFLEX 800 publishes a 24-hour full cure and one-hour rain and paint readiness. HP4 publishes faster tack-free performance, provides two nozzle options and offers more than 3,500 manufacturer color matches.

What Matters on the JobOrigin Pro HP4DAP® DYNAFLEX® 800 Advanced All Weather Sealant
Advanced Hybrid Polymer✓ Yes✓ Yes
ASTM C920 Class 25✓ Yes✓ Yes
Application from 0°F to 120°F✓ Yes✓ Yes
Tack-Free Within 60 Minutes✓ Yes - 30-60 minutes✕ No - 2 hours
3,500+ Manufacturer Color Matches✓ Yes✕ No - 9 cartridge colors listed
View Detailed Specifications
AttributeOrigin Pro HP4DAP® DYNAFLEX® 800 Advanced All Weather Sealant
Sealant TechnologyAdvanced hybrid polymer (SMP / MS polymer)Advanced hybrid polymer
ASTM C920 ClassificationClass 25Class 25
Movement Capability±25%±25%
AAMA ComplianceNot listed pending supporting documentationAAMA 808.3-16 Type I; AAMA 803.3-16 Type I; AAMA 802.3-16 Type II
Application Temperature0°F to 120°F0°F to 120°F
Service Temperature-40°F to 200°F-65°F to 190°F continuous; 250°F with excursions
Skin FormationApproximately 15-20 minutesNot listed in published TDS
Tack-Free TimeApproximately 30-60 minutes2 hours
Full Cure Time24-72 hours24 hours
Rain / Water ReadyAvoid precipitation before skin formation; no separate elapsed time published1 hour
Application Surface ConditionCan be applied to clean, damp surfaces after standing water is removed. Do not apply to saturated substrates.Product description states wet-surface application; surface-preparation section instructs clean, dry surfaces
OdorMildVery mild
PaintablePaintable after skin formation; test paint compatibility before finishing.Yes - 1 hour, depending on temperature and humidity
Packaging10.1 fl oz cartridge10.1 fl oz cartridges and 20.3 fl oz sausages
Cartridge ConstructionPlastic cartridgeNot stated in published TDS
Nozzle OptionsV-notch nozzle and standard 4.25-inch nozzleStandard cartridge nozzle; cut at 45° to desired bead size
Colors36 chart colors; 3,500+ manufacturer color matches9 cartridge colors listed; 3 sausage colors listed
Published ApplicationsWindows, doors, siding, trim and exterior transitionsInterior/exterior windows, doors, siding, trim, gutters, flashing, roofing, joints and above-ground foundations
Direct Online OrderingYes - through Origin ProAvailable through DAP retail and distribution channels
Pro Dashboard ToolsYes - pricing, saved colors, projects and order historyNo comparable DAP contractor dashboard identified

Published manufacturer specifications are shown as stated in the applicable technical data sheets.

Differences You Will Notice

Both products are professional hybrid-polymer, ASTM C920 Class 25 sealants with a published 0°F to 120°F application range. DYNAFLEX 800 publishes a 24-hour full cure, one-hour rain readiness and one-hour paint readiness. HP4 becomes tack-free in approximately 30-60 minutes, compared with two hours for DYNAFLEX 800, and includes both V-notch and standard nozzle options. HP4 also offers more than 3,500 manufacturer color matches, compared with nine cartridge colors listed in the DAP TDS. Origin Pro makes buying easier through direct online ordering and Pro Dashboard tools for pricing, saved colors, projects and past orders.

Beyond the Product

Origin Pro’s Pro Dashboard makes buying simpler, faster and more organized. See pricing before you order, find and save color matches, track projects and past orders, and quickly reorder—all in one place.

Product Comparison Information

These comparisons are intended to help contractors evaluate differences in product features and manufacturer-published specifications when considering products for a particular application. Unless expressly stated, Legacy Sealants, Inc. has not conducted head-to-head testing of the referenced products. Information is drawn from manufacturer technical literature identified on the page and was available as of the date shown. Because test methods and conditions may differ by manufacturer, published values should not be treated as directly equivalent unless specifically noted.

Product names, trademarks, packaging and images are the property of their respective owners and are used solely to identify the products being compared. Legacy Sealants, Inc. is 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.

Trademark Ownership

DAP® and DYNAFLEX® are registered trademarks of DAP Global Inc. DAP is an RPM International Inc. consumer brand.

Technical Literature

Origin Pro HP4 High Performance Hybrid Polymer Sealant Technical Data Sheet, version dated September 24, 2026. DAP® DYNAFLEX® 800 Advanced All Weather Sealant Technical Data Sheet, product and packaging pages dated September 3, 2026, with technical-property pages dated July 25, 2019 and March 3, 2019. The Origin Pro and DAP product pages were reviewed September 24, 2026 for current product and ordering information.