48" x 250' Stormtite Synthetic Underlayment
Underlayment features weather-resistant synthetic construction with polypropylene coating. It is flexible, even in cold weather. This underlayment installs around vents, dormers, skylights and other typical roof structures.
- Coated top and bottom with tough polyolefin for superior weather resistance with a slip-resistant surface
- More flexible, even in cold weather
- Stormtite effectively sheds water that gets behind shingles and it is engineered to be a vapor-retarder
- Single roll of Stormtite contains 1000 sq. ft but weighs only 21.5 lb