GAF FeltBuster Synthetic Roofing Underlayment

High-traction synthetic roofing felt designed to resist tearing and moisture for a flatter, more durable roof deck. Provides enhanced walkability and a cooler working surface, offering a robust alternative to traditional #15 and #30 asphalt felts.

Key Features:

• High-Traction Surface: Enhanced walkability helps improve installer safety and efficiency.
• Moisture-Resistant: Will not absorb water, helping prevent wrinkling that can telegraph through shingles.
• Tear-Resistant Build: Virtually untearable synthetic construction for durability during installation.
• Wide Coverage: 4 ft x 250 ft roll covers approximately 10 squares (1,000 sq ft).
• Code-Compliant: Approved by Florida Building Code, Miami-Dade, and TDI; meets ASTM D226, ASTM D4869, and CSA A123.3.

Specifications Table:

Frequently Asked Questions (FAQ):

Q: What is the roll size and coverage?
A: Each roll is 4 ft x 250 ft and covers approximately 10 squares (1,000 sq ft).

Q: Can this underlayment be used under asphalt shingles?
A: Yes, it is designed as a synthetic replacement for traditional #15 and #30 asphalt felt under asphalt shingles.

Q: Is the surface slip-resistant?
A: Yes, the high-traction surface is engineered for enhanced walkability and a cooler working surface.

Q: Does it meet building code approvals?
A: Yes—Florida Building Code, Miami-Dade, and TDI approved; it also meets ASTM D226, ASTM D4869, and CSA A123.3.

Q: What is the product weight per roll?
A: Approximately 21 lb per roll.

Sleek Protection, Subtle Power

FeltBuster lays down a refined, seamless foundation that keeps rooflines crisp and true. Its high-traction surface is the quiet hero—sleek, confident, and made to perform. Pair it with deep-charcoal shingles to accentuate modern profiles, or let it support cedar tones for an elevated, organic statement. This is the underlayment that makes a roof feel impeccably finished—an essential layer of luxurious living.

Choose GAF FeltBuster today for a durable, high-traction underlayment that installs easily and keeps your roof flatter, drier, and longer-lasting.