100% Silicone Sealant
WATERPROOFREADY IN 30.
Engineered for
Kitchen & Bath
Window & Door
- Interior / Exterior
- UV Resistant
- Mold & Mildew Resistant
- Rain & Water Ready in 30-Minutes
Professional Sealant Solutions Built for Contractors.
PRO PRODUCTS. BETTER PRICING. LESS HASSLE.
Premium sealants, adhesives and foam solutions built for professional contractors. Backed by industry expertise, contractor-focused tools, and flexible purchasing options that help you work smarter.
Find the right solution for your project
Whether you're sealing windows, installing siding, remodeling a bathroom, or replacing exterior trim, we'll help you find the right product for the job.
WINDOWS & DOORS
Waterproof. Ready in 30. Interior & Exterior. Kitchen & Bath. Window & Door.
VIEW APPLICATIONSHP4
HYBRID POLYMER SEALANT
The right color every time. Exterior use. Siding. Trim. Windows & Doors.
HP5
POLYURETHANE FOAM SEALANT
Low-pressure. Air seal & insulate. Window & Door.
HP6
HIGH-TACK HYBRID ADHESIVE
Instant grab. Built to hold. Interior & Exterior.`
Origin Pro™
HP4 Color System – Built Around Real Jobsite Demand
Our HP4 Hybrid Polymer Sealant system is designed around how contractors actually work – repeat colors, fast-moving schedules, and dependable availability.
We're launching with our most requested 16 in-stock jobsite colors plus clear professionally cross-referenced to match over 1,500 industry window, siding, and trim colors.
For specialized projects, our expanded Made-To-Order program increases the system to over 3,500 verified color matches – helping contractors maintain consistency across any job.
Matches Industry-Leading Window, Siding, & Trim Colors
Manufacturer trademarks are used solely for identification purposes; no affiliation or endorsement is implied.
Engineered for
Hybrid Polymer Sealant
DIFFERENCESYOU'LL SEEAND FEEL.
Engineered for
Siding, Window,
& Trim
- Interior / Exterior
- Cleaner Finish
- Better Control
- No After Flow
Low Pressure Gun Foam
AIR SEAL.INSULATE.PERFORM.
Engineered for
Window & Door
Gap Insulating
- Low Pressure Formula
- Window & Door Safe
- Seals Air Leaks
- Professional Grade
Instant MaxGrab Adhesive
INSTANT GRAB.BUILT TO HOLD.
Engineered for
Construction,
Remodeling & Repairs
- Interior / Exterior
- Reduces Bracing
- All-Purpose Versatility
- Low Sag Formula
Kitchen & Bath
Durable 100% silicone sealant performance built for kitchens, baths, showers, plumbing, and all high-moisture areas.
Window, Door & Siding
Engineered for real jobsite conditions — delivering weatherproof protection, UV stability, flexibility, and long-term adhesion on today’s most common building materials.
General Construction
Engineered for general construction applications — delivering reliable bonding, weather resistance, durability, and consistent performance.
Performance Delivered Direct™
Pallet orders ship shrink-wrapped;
smaller orders ship in protective Origin Pro master cartons. Your sealants arrive clean, intact, and jobsite-ready — every time.
A Note From Our Founders
Origin Pro Sealants is the continuation of a family story that began in 1966 with OSI – a brand our family helped build into a trusted name among professional contractors.
After years leading companies across the building materials industry, we’ve returned to our roots with a renewed focus on what matters most: delivering performance that stands up to real jobsite conditions.
With Origin Pro™, our commitment is simple:
Professional-grade products, engineered from real-world experience, delivered direct without the middleman markup.
Whether you’re a contractor, builder, or project manager, Legacy Pro was created to give you reliable performance, trusted quality, and a smarter way to buy.
Thanks for your trust,
– Pete & Mark Longo
Co-Founders,
Origin Pro Sealants Brand
Legacy Sealants, Inc.