CertainTeed Flintlastic GTA-FR CoolStar APP Modified Bitumen Cap Sheet Roll (1 SQ / 100 sq ft, White)

Regular price $210.00

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CoolStar APP Modified Bitumen Cap Sheet Roll

CertainTeed Flintlastic GTA-FR CoolStar is a fire-resistant, highly solar-reflective, granulated APP-modified cap sheet designed for low-slope residential and commercial roofing. Built with a polyester reinforcement and CoolStar reflective granules, it’s engineered for torch application in APP modified bitumen roof system assemblies.


Key Features:

  • Cool Roof Reflectivity: CoolStar reflective granules help meet ENERGY STAR requirements and reduce roof surface heat gain.
  • Fire-Resistant Performance: Fire-retardant additives support use in fire-rated roof assemblies (Class A, B, and C listings referenced).
  • Torch-Applied Installation: Designed for torch application only in APP modified bitumen systems (new construction or reroofing).
  • Robust Reinforced Membrane: Polyester-reinforced, mineral-surfaced cap sheet for durable low-slope field and flashing applications.
  • Versatile Use Cases: Suitable for low-slope roofs and roof system flashings including wall treatments, base flashings, and field flashings.

Please check the Product Data Sheet Here


Specifications Table:

Specification Details
Manufacturer CertainTeed
Product name Flintlastic GTA-FR CoolStar
Category Roofing Materials
Sub-category APP Modified Bitumen Membranes
Unit of measure RL (Roll)
Application method Torch-applied (intended for torch application only)
Material / construction Polyester mineral surfaced APP cap sheet with fire retardant additives and reflective CoolStar granules
Intended use Roofing membrane cap sheet in APP modified bitumen roof system assemblies; suitable for low-slope residential and commercial use
Suitable installations New construction and reroofing
Flashing use May be used for roof system flashings including wall treatments, base flashings and field flashings
Color White (CoolStar)
Roll coverage 100 sq. ft. per roll (1 SQ)
Width 39-3/8 in
Length 32 ft 10 in
Thickness 156 mil (3.96 mm)
Item weight 110 lb
Applicable standard ASTM D6222, Grade G, Type I
Listings/approvals (referenced) UL Class A, B and C; ICC-ES ESR-1388; Factory Mutual Approved; Miami-Dade County Approved; Florida Building Code Approved (FL2533 and FL16709); Texas Department of Insurance (RC-47); Energy Star; CRRC

Frequently Asked Questions (FAQ):

Q: Is this membrane torch-applied or self-adhered?
A: It is intended for torch application only.


Q: What area does one roll cover?
A: One roll covers 100 sq. ft. (1 square).


Q: Can it be used for flashing details?
A: Yes—it's suitable for roof system flashings including wall treatments, base flashings, and field flashings.


Q: What color is the CoolStar version?
A: This CoolStar variant is listed as White / CoolStar.


Q: What standards/approvals does it meet?
A: It is listed to ASTM D6222 (Grade G, Type I) and references approvals such as UL Class A/B/C, ICC-ES ESR-1388, Factory Mutual, Miami-Dade, and Florida Building Code (varies by assembly and jurisdiction).


A crisp, cool-roof finish that elevates the fifth façade

Think of the roof as the building’s quiet couture—the surface that absorbs sun, sky, and scale. Flintlastic GTA-FR CoolStar brings a luminous, mineral-granulated finish with solar-reflective performance, turning a utilitarian plane into a refined, high-functioning layer. Use it to keep low-slope roofs looking clean and bright while supporting fire-resistant design requirements. It’s the kind of practical luxury that makes a space feel considered from every angle—even the one above.


Choose Flintlastic GTA-FR CoolStar for a fire-resistant, solar-reflective cap sheet engineered for durable low-slope roofing performance.

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All orders are reviewed before fulfillment. You are not charged until your order is approved and ready to ship — and you may cancel at any time before that at no cost.

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