
CertainTeed Roofing RoofRunner High-Performance Synthetic Roofing Underlayment, 4 ft x 250 ft Roll (10 SQ)
RoofRunner Synthetic Roofing Underlayment, 4'x250'
Lightweight, scrim-reinforced synthetic underlayment engineered for asphalt shingle roofs. Provides water-resistant protection with a special top surface treatment for excellent slip resistance and superior dimensional stability versus felt.
Key Features:
- High Slip Resistance: Special top surface treatment for secure footing, even when wet
- Water-Resistant Protection: Acts as a barrier beneath asphalt shingles on roof decks
- Dimensional Stability: Resists moisture-related expansion to help prevent telegraphing wrinkles
- Lightweight Synthetic Build: Polymer-based, scrim-reinforced for strength and ease of handling
- Large Coverage: 10 square (1,000 sq. ft.) per 4' x 250' roll
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Roll Width | 4' (1220 mm) |
| Roll Length | 250' |
| Coverage per Roll | 1000 sq. ft. (10 squares) |
| Thickness | 7 mil |
| Material | Lightweight synthetic polymer-based, scrim-reinforced |
| Surface Treatment | Special top surface for excellent slip resistance |
| Use | Water-resistant layer beneath asphalt roofing shingles on roof decks |
| Fire Rating | ASTM E108, Class A |
| Standards/Approvals | ASTM D226; ICC-ES AC188; ICC-ES ESR 4103; TDI Approved; Florida Approval FL21841; Miami-Dade County Approved |
Frequently Asked Questions (FAQ):
Q: What roofing types is RoofRunner intended for?
A: Designed for use beneath asphalt roofing shingles on roof decks.
Q: Is the surface safe to walk on during installation?
A: Yes, it has a special top surface treatment that provides excellent slip resistance, even when wet.
Q: How much area does one roll cover?
A: Each 4' x 250' roll covers 10 squares, or 1,000 sq. ft.
Q: How does it compare to felt underlayment?
A: It offers superior dimensional stability when wet, helping prevent wrinkles that can telegraph through shingles.
Q: What standards or approvals does it meet?
A: ASTM D226; ASTM E108 Class A Fire; ICC-ES AC188; ICC-ES ESR-4103; TDI Approved; Florida Approval FL21841; Miami-Dade County Approved.
A Sleek, Secure Foundation for Elevated Roofscapes
RoofRunner lays down a crisp, modern layer that streamlines the roofing silhouette while elevating performance. Its scrim-reinforced body and slip-resistant finish feel tailored—quietly sophisticated beneath the shingles. Pair it with architectural asphalt shingles to keep lines clean and surfaces flawless. This underlayment is the unseen essential that brings polish and luxury to the entire roof.
Choose RoofRunner to secure your roof with stable, slip-resistant protection and cover 1,000 sq. ft. per roll with confidence.
Original: $128.69
-70%$128.69
$38.61Product Information
Product Information
Shipping & Returns
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Description
RoofRunner Synthetic Roofing Underlayment, 4'x250'
Lightweight, scrim-reinforced synthetic underlayment engineered for asphalt shingle roofs. Provides water-resistant protection with a special top surface treatment for excellent slip resistance and superior dimensional stability versus felt.
Key Features:
- High Slip Resistance: Special top surface treatment for secure footing, even when wet
- Water-Resistant Protection: Acts as a barrier beneath asphalt shingles on roof decks
- Dimensional Stability: Resists moisture-related expansion to help prevent telegraphing wrinkles
- Lightweight Synthetic Build: Polymer-based, scrim-reinforced for strength and ease of handling
- Large Coverage: 10 square (1,000 sq. ft.) per 4' x 250' roll
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Roll Width | 4' (1220 mm) |
| Roll Length | 250' |
| Coverage per Roll | 1000 sq. ft. (10 squares) |
| Thickness | 7 mil |
| Material | Lightweight synthetic polymer-based, scrim-reinforced |
| Surface Treatment | Special top surface for excellent slip resistance |
| Use | Water-resistant layer beneath asphalt roofing shingles on roof decks |
| Fire Rating | ASTM E108, Class A |
| Standards/Approvals | ASTM D226; ICC-ES AC188; ICC-ES ESR 4103; TDI Approved; Florida Approval FL21841; Miami-Dade County Approved |
Frequently Asked Questions (FAQ):
Q: What roofing types is RoofRunner intended for?
A: Designed for use beneath asphalt roofing shingles on roof decks.
Q: Is the surface safe to walk on during installation?
A: Yes, it has a special top surface treatment that provides excellent slip resistance, even when wet.
Q: How much area does one roll cover?
A: Each 4' x 250' roll covers 10 squares, or 1,000 sq. ft.
Q: How does it compare to felt underlayment?
A: It offers superior dimensional stability when wet, helping prevent wrinkles that can telegraph through shingles.
Q: What standards or approvals does it meet?
A: ASTM D226; ASTM E108 Class A Fire; ICC-ES AC188; ICC-ES ESR-4103; TDI Approved; Florida Approval FL21841; Miami-Dade County Approved.
A Sleek, Secure Foundation for Elevated Roofscapes
RoofRunner lays down a crisp, modern layer that streamlines the roofing silhouette while elevating performance. Its scrim-reinforced body and slip-resistant finish feel tailored—quietly sophisticated beneath the shingles. Pair it with architectural asphalt shingles to keep lines clean and surfaces flawless. This underlayment is the unseen essential that brings polish and luxury to the entire roof.
Choose RoofRunner to secure your roof with stable, slip-resistant protection and cover 1,000 sq. ft. per roll with confidence.






















