CertainTeed Flintglas Mineral Surfaced Cap Sheet is a roll roofing product designed for use as a cap sheet over inorganic and organic built-up roofing systems. It may also be used as a heavy-duty, venting type base sheet when installed mineral side down and either mechanically fastened or spot mopped over lightweight insulating concrete decks or existing smooth surfaced membranes. It is surfaced with ceramic granules to provide a durable, heat reflective weathering surface when used as a cap sheet.

Flintglas Mineral Surfaced Cap Sheet White is an approved ENERGY STAR® product for slopes greater than 2"/12". 

This roofing product qualifies for an energy tax credit of up to $1500 under the American Recovery and Reinvestment Act. For more information, visit theCertainTeed Energy Tax Credit page.