All of our information is sourced from manufacturer data.
G.A.P. Roofing Inc.
WaterGuard All-Purpose Synthetic Roofing
Vapor Retarder (Class I)
Ceiling, Sloped Roof, Wall
Standard Sizes: 4' 0"
Standard Sizes: 20' 10"
Standard Sizes: 0"
Rate of airflow through the barrier per square foot at a specified pressure difference
Water Vapor Transmission
An imperial perm is defined as 1 grain of water vapor per hour, per square foot, per inch of mercury
Roll Tensile Strength
Weight needed to break the roll, per inch of width
lbs / in
Product Weight Per Area
lb / ft ^ 2
Minimum Temperature Rating
The lowest temperature that the product has been confirmed to still function at.
Minimum Application Temperature
Minimum temperature that the product can be applied or installed
More to Explore
All Window Categories
Discover more than 100 curated collections of windows to inspire your next project.
Understand how the frame material, type, and glazing affect a window’s cost & see price ranges.
Download manufacturer specs from more than 7,000 residential & commercial windows.