GAF Tri-Ply APP Smooth Membrane Roll Roofing, 3.3-ft W x 32.25-ft L, 100-sq ft, Black

Regular price $112.48

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GAF Tri-Ply APP Smooth Roll Roofing, 100-sq ft

A durable APP-modified bitumen smooth membrane for low-slope roofing. Designed for new construction or re-roofing, it serves as a cap or interply layer and delivers resilient performance with a polyester core.


Key Features:

  • Low-Slope Ready: Engineered for built-up or modified bitumen roof systems in new construction and re-roofing.
  • Versatile Application: Smooth surface functions as cap sheet or interply membrane; suitable for torch-applied installs.
  • Tough Polyester Core: Resists splits and tears for long-term durability.
  • Weather-Tolerant Installation: Can be installed in cold, damp conditions to extend your working window.
  • Standards & Listings: Meets ASTM D6222 Type I Grade S; FM approved and UL listed.

Specifications Table:

Specification Details
Series Name Tri-Ply APP smooth membrane
Type Cap sheet
Material APP modified bitumen
Color/Finish Family Black
Manufacturer Color/Finish Black
Coverage Area 100 sq ft
Length 32.25 ft
Width 3.3 ft
Width Measurement 3.33-ft
Roll Weight 91 lbs
Water Resistant Yes
Waterproof No
Underlayment Required Yes
Warranty 10-year limited
Standards Meets ASTM D6222 Type I Grade S
Certifications FM approved; UL listed

Frequently Asked Questions (FAQ):

Q: What type of roofs is this membrane for?
A: It is designed for low-slope roofing systems and can be used in built-up or modified bitumen assemblies.


Q: How is it installed?
A: It is suitable for torch-applied applications; follow local codes and GAF installation instructions.


Q: Can it be used as a cap sheet?
A: Yes, the smooth surface allows use as a cap sheet or as an interply membrane.


Q: Is it waterproof by itself?
A: It is water resistant but not rated as fully waterproof on its own; use as part of a complete roofing system.


Q: What warranty is offered?
A: It carries a 10-year limited warranty; see GAF for terms and conditions.


A Sleek, Workhorse Finish for Modern Low-Slope Roofs

This smooth black membrane brings a refined, utilitarian edge to functional roofscapes. Its clean surface and lean profile streamline mechanical zones while reinforcing the architecture. Pair it with crisp metal flashings for a sophisticated, minimalist look that feels intentional. Consider it an essential layer for durability with an understated, contemporary aesthetic.


Elevate your low-slope roof with durable, easy-to-install protection—choose GAF Tri-Ply APP Smooth Membrane today.

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