Collection: Sealants
Legacy Pro delivers a complete HP-series sealant system designed for the demands of modern construction — from interior 100% silicone to exterior glazing-grade silicone and our flagship HP4 Hybrid Polymer. Every formulation provides strong adhesion, fast cure characteristics, and long-term weather durability across real jobsite conditions.
Built on experience. Engineered for performance.
With decades of manufacturing and field-application expertise, we know exactly what professional crews expect on the job — excellent flow and cut-off, predictable cure times, clean tooling, and performance that lasts.
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Kitchen and Bath Sealants
SHOP INTERIORDurable 100% silicone sealant performance built for kitchens, baths, showers, plumbing, and all high-moisture areas.
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Exterior Envelope Sealants
SHOP EXTERIOREngineered for real jobsite conditions — delivering weatherproof protection, UV stability, flexibility, and long-term adhesion on today’s most common building materials.
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Roofing Sealants
SHOP ROOFINGTough, weather-ready performance from the top down. Designed for maximum adhesion, UV resistance, and long-term durability on shingles, flashing, trim, vents, and roof penetrations.
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HP2 100% Silicone Interior Sealant
Vendor:My StoreRegular price From $124.20 USDRegular priceUnit price $10.35 each$138.00 USDSale price From $124.20 USDHP2 100% Silicone Interior Sealant
Regular price From $124.20 USDRegular priceUnit price $10.35 each$138.00 USDSale price From $124.20 USDHP2 100% Silicone Interior Sealant
Regular price From $124.20 USDRegular priceUnit price $10.35 each$138.00 USDSale price From $124.20 USDSale -
HP3 100% Silicone Exterior Sealant (Acetoxy Cure)
Vendor:My StoreRegular price From $129.60 USDRegular priceUnit price $10.80 each$144.00 USDSale price From $129.60 USDHP3 100% Silicone Exterior Sealant (Acetoxy Cure)
Regular price From $129.60 USDRegular priceUnit price $10.80 each$144.00 USDSale price From $129.60 USDHP3 100% Silicone Exterior Sealant (Acetoxy Cure)
Regular price From $129.60 USDRegular priceUnit price $10.80 each$144.00 USDSale price From $129.60 USDSale -
HP1 All-Purpose 100% Silicone Interior Sealant
Vendor:My StoreRegular price From $7.65 USDRegular priceUnit price $7.65 each$8.50 USDSale price From $7.65 USDHP1 All-Purpose 100% Silicone Interior Sealant
Regular price From $7.65 USDRegular priceUnit price $7.65 each$8.50 USDSale price From $7.65 USDHP1 All-Purpose 100% Silicone Interior Sealant
Regular price From $7.65 USDRegular priceUnit price $7.65 each$8.50 USDSale price From $7.65 USDSale -
HP4 Hybrid Polymer Exterior Sealant
Vendor:My StoreRegular price From $108.00 USDRegular priceUnit price $9.86 each$120.00 USDSale price From $108.00 USDHP4 Hybrid Polymer Exterior Sealant
Regular price From $108.00 USDRegular priceUnit price $9.86 each$120.00 USDSale price From $108.00 USDHP4 Hybrid Polymer Exterior Sealant
Regular price From $108.00 USDRegular priceUnit price $9.86 each$120.00 USDSale price From $108.00 USDSale
