CertainTeed Flintlastic GMS CoolStar is a mineral surfaced, SBS modified, polyester cap sheet with reflective CoolStar granules. It is designed for use as a roofing membrane over various types of substrates for both new construction and reroofing installations. It is suitable for most low sloped roof decks and may be used for roof system flashings including wall treatments, base flashings and field flashings.
CertainTeed Flintlastic GMS CoolStar is produced with a high performance, non-woven polyester mat which is impregnated and coated with a superior grade, modified bitumen compound, and surfaced with highly reflective CoolStar granules.
CertainTeed Flintlastic GMS CoolStar is intended for application using hot asphalt or approved cold process adhesives such as CertainTeed FlintBond. Rolls should be stored upright, off ground, completely protected from the weather. Roof decks shall be structurally sound, dry, smooth and meet or exceed minimum requirements of the deck manufacturer, local code and CertainTeed.