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
  • 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 offers four low-slope roof system warranty options: Limited Warranty on Materials, Limited Warranty on Systems, No Dollar Limit (NDL) Limited Warranty and Full System NDL Limited Warranty.  CertainTeed warranty durations are based on a combination of system specification and product selection.  Please download an overview of these warranty options for details. Consult with your contractor or CertainTeed Territory Manager to determine which warranty is best for your project.     

CertainTeed offers standard low-slope roof system warranty durations between ten and twenty-five years.  Additionally, Gold Star Contractors can increase warranty durations by 25% by engaging in an Integrity Maintenance Agreement with their client.  

Commercial Roofing Contractors

See All Contractors near You
Get Started