The True Purpose Of Underlayment
Provides an extra layer of protection between your roofing shingles and roof deck
-
Prevents wind-driven rain...
(or water from other sources) from infiltrating under your shingles and causing damage to your roof structure or the inside of your home
-
Provides an extra layer of protection...
Between your shingles and your roof deck
-
Lays flatter...
And will not buckle when installed
-
Helps reduce blow-off...
By allowing your shingles to lay flatter and more uniformly