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Ships within 48 hours · Estimated delivery Sep 11 - Sep 16
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Description
CertainTeed DiamondDeck HD Synthetic Roofing Underlayment, 48 in. x 250 ft (10 SQ Roll)DiamondDeck HD Synthetic Roofing Underlayment, 10 SQ Roll High performance, scrimreinforced synthetic roofing underlayment designed for superior weather protection and contractor safety. Offers outstanding dimensional stability versus felt and a slip resistant top surface for secure footing, even when wet. Key Features: High Performance Protection: Synthetic, scrimreinforced design resists water and helps prevent telegraphing wrinkles through shingles
DiamondDeck HD Synthetic Roofing Underlayment, 10 SQ Roll
High-performance, scrim‑reinforced synthetic roofing underlayment designed for superior weather protection and contractor safety. Offers outstanding dimensional stability versus felt and a slip-resistant top surface for secure footing, even when wet.
Key Features:
- High Performance Protection: Synthetic, scrim‑reinforced design resists water and helps prevent telegraphing wrinkles through shingles
- Slip-Resistant Surface: Special top treatment enhances traction and safety in wet conditions
- Dimensional Stability: Won’t wrinkle like felt underlayment, ensuring a flatter shingle application
- Durable & Lightweight: Excellent tear resistance with easy handling to speed installation
- Code Compliance: Meets ASTM D226/D4869, UL 790 Class A, ASTM E108 Class A; ICC-ES ESR-3344; Florida/Miami‑Dade/TDI approvals
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Dimensions | 48 in. x 250 ft |
| Coverage | 937.5 sq. ft. per roll (10 squares) |
| Material | Synthetic, scrim‑reinforced underlayment |
| Surface | Slip‑resistant top surface |
| Style | Underlayment |
| Manufacturer Number | 95313 |
| Product Number | CTRDD |
| Approvals/Standards | ASTM D226 and D4869; UL 790 Class A; ASTM E108 Class A; ICC‑ES ESR 3344; CAN/CSA A220; Florida Building Code Approved; Miami‑Dade County Approved; TDI Approved |
| Weight | 38 lb per roll |
Frequently Asked Questions (FAQ):
Q: What is the coverage per roll?
A: Each roll covers approximately 937.5 sq. ft. (10 squares).
Q: What roof types can it be used under?
A: Suitable beneath shingle, shake, metal, or slate roofing systems.
Q: Is it safer to walk on than felt?
A: Yes. The slip-resistant top surface provides improved traction, even when wet.
Q: How much does a roll weigh?
A: Approximately 38 lb per roll.
Q: Does it meet building code approvals?
A: Yes. It meets ASTM D226/D4869, UL 790 Class A, ASTM E108 Class A, ICC‑ES ESR‑3344, and has Florida, Miami‑Dade, and TDI approvals.
A Sleek, Secure Foundation for Elevated Rooflines
DiamondDeck HD lays down a clean, resilient base that keeps roof planes taut and refined. I love its slip‑resistant finish—form meets function for a safer, smarter installation. Pair it with dark architectural shingles to accentuate crisp edges and shadow lines. It’s the quiet luxury beneath the surface that ensures your exterior reads polished and enduring.
Choose DiamondDeck HD today for a safer install and a flatter, longer‑lasting roof system.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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