Mod-bit, also known as Modified Bitumen, is an asphalt-based roof designed for buildings with low-slope or "flat" roof structures. Modified Bitumen Roofing Systems are designed to take on harsh exposure to extreme environmental elements. With five layers of protection, it's one of the most trusted flat roofing systems used in the industry today.


CertainTeed Flintlastic® SA roofing membrane is a premium, self-adhering SBS modified bitumen roofing material suitable for use in accordance with CertainTeed specifications for most low-slope roof system applications. Our team at Perimeter is dedicated to installing your roofing system with excellence.


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