Weatherlock Water Resistant Underlayment

WeatherLock® G Granulated Water-Resistant Underlayment provides superior roof deck protection for your home. It helps prevent damage caused by freeze/thaw cycling, wind-driven rains, and normal water flow that occurs around valleys, vents, chimneys, and skylights. It's an essential part of a complete roofing system.

WeatherLock® Mat Water-Resistant Underlayment provides superior roof deck protection for your home. It helps prevent damage caused by freeze/thaw cycling, wind-driven rains, and normal water flow that occurs around valleys, vents, chimneys, and skylights. It's an essential part of a complete roofing system.

WeatherLock® P Poly-Surfaced Water-Resistant Underlayment provides superior deck protection for your home. It's non-reinforced for additional flexibility and better protection against cracking and deck damage from freeze/thaw cycling, wind-driven rains, and normal water flow around valleys, vents, chimneys, and skylights. It's an essential part of a complete roofing system.