Self Adhering Polymer Modified Bitumen Roofing Underlayment

The product is designed for use as a waterproofing membrane and is reinforced with a polyester mat which is coated with a polymer modified asphalt.

Self adhering polymer modified bitumen roofing underlayment.

For small projects such as decks additions and porches two ply systems with flintlastic sa nailbase or flintlastic sa plybase and flintlastic sa cap sheet may be appropriate. The deck and self adhering polymer modified bitumen tape shall be covered with one of the underlayment systems approved for the particular roof covering to be applied to the roof b the entire roof deck shall be covered with an approved self adhering polymer modified bitumen cap sheet. Self adhering roof systems such as certainteed s flintlastic sa products can be used in various system configurations depending on the roof requirements. The terms modified bitumen is often used when referring to asphaltic roofing materails.

One of these mixtures is the asphalt used in underlayment asphalt shingles and built up roofing.