All Categories
Get it between 2025-07-17 to 2025-07-24. Additional 3 business days for provincial shipping.
10 square roll covers 1,000 square feet
Meets performance characteristics ASTM D4869 and ASTM D226 Standards
60 Day exposure to UV
Slip resistant polymer applied to the bottom surface. Unique textured fabric allows for steep slope walk-ability
Won’t buckle, warp, or crack , Water resistant
10 square roll. With 1,000 square feet per roll weighing less than 25lbs, installation is much easier than traditional felt with much better results. ArmorLay synthetic underlayment compared to felt underlayment is 5 times stronger, 5 times lighter, and 5 times more coverage with one roll. Suited for use with all asphalt-based composite roof shingles, steep slope roof applications, as well as metal roof applications. Meets performance characteristics ASTM D4869 and ASTM D226 Standards. 60 Day exposure to UV. Slip resistant polymer applied to the bottom surface. Unique textured fabric allows for steep slope walkability. Won't buckle, warp, or crack.