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home > GAF FeltBuster Synthetic Roofing Felt Underlayment, 4 ft x 250 ft (10-Square Roll) > GAF FeltBuster Synthetic Roofing Felt Underlayment, 4 ft x 250 ft (10-Square Roll)

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GAF FeltBuster Synthetic Roofing Felt Underlayment, 4 ft x 250 ft (10-Square Roll)GAF FeltBuster Synthetic Roofing Underlayment Upgrade from asphalt felt with this durable, non asphaltic polypropylene underlayment that helps protect roof decks from wind driven rain and moisture. The high traction, medium gray surface is cooler to work with and the super lightweight 10 square roll is easy to handle on the roof. Key Features: High Traction Surface: Special spunbond top layer offers excellent installer grip versus typical asphalt

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GAF FeltBuster Synthetic Roofing Underlayment

Name: GAF FeltBuster Synthetic Roofing Felt Underlayment, 4 ft x 250 ft (10-Square Roll)
Brand: www.midwoodautocraft.com
SKU: 14037652181
Price: 105.93 USD
Availability: InStock
Rating: 4.6021 (91 reviews)

Upgrade from asphalt felt with this durable, non-asphaltic polypropylene underlayment that helps protect roof decks from wind-driven rain and moisture. The high-traction, medium-gray surface is cooler to work with and the super-lightweight 10-square roll is easy to handle on the roof.

Key Features:

High-Traction Surface: Special spunbond top layer offers excellent installer grip versus typical asphalt felts
Tear-Resistant Durability: Tough synthetic construction resists tearing underfoot and in high winds
Long-Lasting Material: Non-asphaltic polypropylene won’t rot or degrade like conventional felt
Cooler, Easy Handling: Medium-gray color runs cooler; lightweight 10-square roll simplifies installation
Code Compliant: Approved to Florida Building Code, Miami-Dade, TDI; meets ASTM D226, ASTM D4869, CSA A123.3

Specifications Table:

Specification	Details
Product Name	FeltBuster Synthetic Roofing Felt
Brand	GAF
Product Type	Synthetic roof underlayment
Material	Non-asphaltic polypropylene with spunbond surface
Roll Dimensions	4 ft x 250 ft
Coverage	10 squares (1,000 sq ft / 92.9 sq m)
Color	Medium gray
Unit of Measure	Roll (RL)
Weight	21 lb per roll
Packaging	10 SQ. Roll
Approvals/Standards	Florida Building Code Approved; Miami-Dade County Approved; TDI Approved; ASTM D226; ASTM D4869; CSA A123.3
Warranty Eligibility	Eligible for up to a Lifetime Limited Warranty when used on Lifetime Shingle roofs; eligible accessory in GAF residential enhanced warranties
Performance Notes	Resists wind-driven rain; tear-resistant; avoids water absorption and wrinkling; cooler to work with than black felts

Frequently Asked Questions (FAQ):

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

Q: Is it suitable for residential shingle roofs?
A: Yes. It’s designed for use under shingles and is eligible for enhanced GAF residential warranties when paired with Lifetime Shingles.

Q: How does it compare to traditional asphalt felt?
A: It’s lighter, more tear-resistant, non-absorbing to help avoid wrinkling, and provides better traction for installers.

Q: What is the material?
A: Non-asphaltic polypropylene synthetic underlayment with a spunbond surface.

Q: Which approvals and standards does it meet?
A: Florida Building Code, Miami-Dade County, TDI; complies with ASTM D226, ASTM D4869, and CSA A123.3.

A Sleek, Reliable Foundation for Refined Rooflines

FeltBuster lays down a crisp, graphite-toned canvas that keeps a roofline looking poised from the very first layer. I love its high-traction, grid-marked surface—smart, orderly, and confidence-inspiring for a flawless shingle layout. Pair it with deep charcoal shingles and matte black accents for a modern silhouette that feels both architectural and warm. This is the quiet luxury your home deserves—beauty that begins beneath the surface.

Choose FeltBuster today to get cooler, safer installation and long-lasting roof deck protection on your next project.