CertainTeed Flintlastic® FR Cap 30 Sheet is a fire rated, glass mat cap sheet used in two-ply or multi-layer modified bitumen fire rated roofing systems. It is 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. Flintlastic FR Cap 30 Sheet is reinforced with a tough fibrous glass fabric.

Flintlastic FR Cap 30 White meets or exceeds ENERGY STAR® requirements for slopes greater than 2"/12" and can be used to comply with the 2016 California Title 24 Part 6 Cool Roof Requirements. Visit www.coolroofs.org or www.energystar.gov for more information.

Technical Information

CertainTeed Flintlastic® FR Cap 30 Sheet is reinforced with a durable, high quality fiber glass mat which receives a heavy coating of weathering grade rubberized asphalt.

  • Top Surface: Ceramic Granules 
  • Back Surface: Mineral release agent
  • Weight: 88 lbs. per roll
  • Dimensions: 39-3/8" x 32' 10" (100 sq. ft.)
  • Thickness: 3.5mm (140 mils)
  • Coverage: One square
  • ASTM D6163, Grade G, Type I
  • ENERGY STAR® approved product for slopes greater than 2"/12" (white only)
  • Initial solar reflectance: 0.25
  • Aged solar reflectance: 0.25
  • Thermal emittance: 0.87

For additional technical information please refer to the CertainTeed Commercial Roof Systems Manual.


CertainTeed Flintlastic® FR Cap 30 Sheet is intended for hot asphalt application or approved cold adhesive 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.

For detailed installation instructions please refer to the CertainTeed Commercial Roof Systems Manual.

Warranty Details

CertainTeed backs its commercial roofing systems with the confidence of three warranty choices:

  • Limited Product Warranty
  • NDL Roof Membrane Limited Warranty*
  • Full System NDL Limited Warranty*

Owners and specifiers who choose the NDL or Full System NDL warranty options have the added security of manufacturer involvement in the sometimes difficult process of contractor qualifying and workmanship inspection. Consult with the roofing contractor and your CertainTeed commercial roofing territory manager to decide which CertainTeed warranty is best for your building or project.

*NDL warranties are not available on all specifications and are only available through CertainTeed Gold and Silver Star Contractors

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