GMC 30 lb ASTM D226 Type II Asphalt-Saturated Felt Roofing Underlayment Roll (2 SQ / 216 sq ft, 39-3/8 in W)
Regular price $40.0030 lb ASTM D226 roofing felt underlayment roll
GMC 30# ASTM D226 felt is an asphalt-saturated organic roofing underlayment designed for steep-slope applications. Supplied in a 2-square roll to provide a dependable base layer beneath shingles and other roof coverings while meeting recognized ASTM standards.
Key Features:
- Industry-Standard Underlayment: 30 lb asphalt-saturated organic felt designed for steep-slope roofing systems
- Code/Spec Ready: Listed to ASTM D226 Type II and ASTM D4869 Type IV (plus UL prepared roofing accessory specs)
- Generous Coverage per Roll: 2 SQ roll provides 216 sq ft of coverage
- Jobsite Practical Roll Format: Roll UOM (RL) for easy staging, cutting, and fastening during installation
Specifications Table:
| Specification | Details |
|---|---|
| Product name | Gmc 30# Astm Felt D226 |
| Category | Roofing Materials |
| Sub-category | Steep Slope Roofing Underlayment |
| Description | Gmc #30 Astm Felt |
| Unit of measure | RL (Roll) |
| Roll coverage (area) | 216 sq ft |
| Roll size | 2 SQ roll |
| Width | 39.375 in (39-3/8 in / 1 m) |
| Length | 790 in |
| Material | Asphalt-saturated organic felt |
| Applicable standards | ASTM D 226-05 Type II; ASTM D 4869-05 Type IV; UL Specifications for Prepared Roofing Accessory |
| Color | Black |
Frequently Asked Questions (FAQ):
Q: What is the coverage per roll?
A: Each roll covers 216 sq ft (2 squares).
Q: What standards does this felt meet?
A: It is listed to ASTM D226-05 Type II and ASTM D4869-05 Type IV, and UL specifications for prepared roofing accessory.
Q: What type of roofing is it intended for?
A: It is categorized as a steep-slope roofing underlayment.
Q: What are the roll dimensions?
A: The roll width is approximately 39-3/8 in (39.375 in). The listed roll length is 790 in.
The Quiet Luxury Layer Your Roof Can’t Live Without
Think of this as the couture lining beneath a tailored jacket—unseen, but essential. GMC 30# felt brings a grounded, architectural confidence to steep-slope roofing, delivering a traditional asphalt-saturated layer that supports the finish above it. Its generous roll coverage and recognized ASTM listings make it a smart, streamlined choice when you want the system to feel intentional from the inside out. Because true luxury is built in layers—starting with the ones no one sees.
Choose GMC 30# ASTM D226 felt to add a reliable, spec-ready underlayment layer to your steep-slope roofing system.
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