WeatherLock G Granulated
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
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
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.