IKO’s Stormtite is engineered to be used under asphalt shingles. A more weather proof variant of asphalt felt, Stormtite is qualified as IKO’s PRO4 roofing component, it provides a superior water and slip resistant alternative to #15 asphalt saturated felt. Click here to learn for about IKO’s Stormtite.
Synthetic roofing underlayment by InterWrap® provides up to 6 months of UV exposure. 14 times stronger than #30 felt, UDL provides a water and vapor barrier for under metal, shake, and shingle roofing. Click here to learn more about Titanium UDL25