Protecto Wrap Polyurethane Window & Door Installation Sealant

Protecto Wrap Window & Door Sealant is a high-performance, low-modulus, one-component polyurethane formula engineered for reliable, long-lasting weatherproofing of windows and doors. Its moisture-curing chemistry bonds aggressively to common building substrates—sealing nail flanges, door thresholds and other critical junctions against air and water infiltration. Designed for compatibility with Protecto Wrap flashing systems, it delivers durable protection in both new construction and retrofit applications.

This white, paste-style sealant features a fast-curing, solvent-free formulation that skins over in 3–4 hours and accepts paint for a seamless finish. It resists mold growth, UV degradation and general weathering, and can be applied with standard caulking equipment at temperatures down to 40 °F. Each 10.1 oz cartridge covers up to 25 linear feet of joint, making installation quick, clean and cost-effective.

Key Features

• High-performance, one-component polyurethane sealant
• Low modulus for superior elasticity and movement accommodation
• Moisture-curing, solvent-free formula
• Fast skin-over (3–4 hr) and paintable white finish
• Aggressive adhesion to aluminum, glass, vinyl and wood
• Resists mold, UV rays and general weathering
• Ideal for back-bedding nail flanges and sealing door thresholds
• Operates in temperatures as low as 40 °F

⚠️ WARNING: This product can expose you to Butyl benzyl phthalate (BBP) known to the State of California to cause birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.