GAF FeltBuster Synthetic Roofing Felt Underlayment, 4 ft x 250 ft (10-Square Roll)
SKU: 33136358457

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

Sale price$95.34 Regular price$105.93
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 8 - Jul 13

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

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

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 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.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 33136358457

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.3 ★★★★★
Based on 2116 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
C
Verified Purchase
Carrie Stone
Los Angeles, US
★★★★★ 5
Great value
Perfect size, great quality and looks great!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 16, 2025
S
Verified Purchase
Shannon
San Leandro, US
★★★★★ 1
Broken!
Color: Black & Espresso, Color: Black & Espresso
got it half way put together and a piece was broken!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026
B
Verified Purchase
B.S.
Port Orchard, US
★★★★★ 5
Great for small apartment!
Purchased for a first apartment. It was a little more complicated to put together, but not too terribly difficult. It was perfect for the small space. Has been the perfect gift!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 18, 2025
O
Verified Purchase
Oksana
Phoenix, US
★★★★★ 5
Perfect for organizing kids’ essentials
Size: with legs
I really like this EXPERLAM 8 Cube Storage Organizer. It was fairly easy to assemble and feels stable once put together. The design is simple and clean, so it fits nicely in our home. I’m using it mainly for my children’s toys, and it works great. It helps keep everything in one place instead of toys being all over the room. The cube size is very practical for different types of toys, books, and storage bins. Overall, it’s very useful for organizing a kids’ space and makes cleaning up so much easier. Definitely happy with this purchase.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
И
Verified Purchase
Ирина Глущенко
Alexandria, US
★★★★★ 5
Great storage for kids’ room!
Size: with base, Size: with base
It took me about 30-40 minutes to assemble, and it wasn't difficult at all. It fits perfectly in the kids' room, and finally, all the toys aren't scattered all over the floor 🙌 The baskets are roomy, they hold a lot of stuff, and my kids can easily pick up their toys and put them back (well... sometimes 😂). Plus, it looks very neat and modern. I'm very happy with the purchase; the room is much more organized now 👍
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 1, 2026

recommand products