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Ships within 48 hours · Estimated delivery Jul 18 - Jul 23
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Description
CertainTeed Roofing DiamondDeck HD Synthetic Roofing Underlayment, 48 in x 250 ft (10 SQ Roll)DiamondDeck HD Synthetic Roofing Underlayment, 48" x 250' High performance, scrim reinforced synthetic underlayment engineered for superior weather protection and installer safety. Ideal beneath shingle, shake, metal, or slate roofs, it offers exceptional dimensional stability and a slip resistant top surface to work confidentlyeven when wet. Key Features: High Performance Protection: Scrim reinforced, water resistant synthetic underlayment for long
DiamondDeck HD Synthetic Roofing Underlayment, 48" x 250'
High-performance, scrim-reinforced synthetic underlayment engineered for superior weather protection and installer safety. Ideal beneath shingle, shake, metal, or slate roofs, it offers exceptional dimensional stability and a slip-resistant top surface to work confidently—even when wet.
Key Features:
- High Performance Protection: Scrim-reinforced, water-resistant synthetic underlayment for long-lasting roof defense
- Dimensional Stability: Resists wrinkling versus felt, preventing telegraphing through shingles
- Slip-Resistant Surface: Special top coating improves traction for safer installation, even when wet
- Lightweight & Durable: Easy to carry with excellent tear resistance to reduce punctures
- Generous Coverage: 48 in x 250 ft roll provides approximately 937.5 sq ft (10 squares) of coverage
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Roll Width | 48 in |
| Roll Length | 250 ft |
| Coverage | 937.5 sq ft per roll (10 squares) |
| Product Style | Underlayment |
| Type | High-performance synthetic, scrim-reinforced, water-resistant underlayment |
| Slip Resistance | Special top surface treatment for traction, even when wet |
| Comparative Performance | Exceptional dimensional stability vs. standard felt; resists wrinkling and telegraphing |
| 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 |
| Manufacturer Number | 95313 |
| Product Number | CTRDD |
Frequently Asked Questions (FAQ):
Q: What roofing materials can this underlayment be used with?
A: It’s suitable beneath shingle, shake, metal, or slate roofing systems.
Q: How much coverage does one roll provide?
A: Approximately 937.5 sq ft per roll (10 squares).
Q: Is it safer to walk on than felt?
A: Yes. The special top surface treatment provides excellent slip resistance, even when wet.
Q: Does it meet building code and fire standards?
A: Yes. It carries approvals including UL 790 Class A, ASTM E108 Class A, ICC-ES ESR-3344, Florida Building Code, Miami-Dade, TDI, and more.
Q: What are the roll dimensions and weight?
A: Roll size is 48 inches wide by 250 feet long; weight is about 38 lb.
A Sleek, Secure Foundation for Elevated Rooflines
DiamondDeck HD lays down a refined, matte canvas that quiets visual clutter and sets the stage for an immaculate roof silhouette. Its scrim-reinforced body brings a tailored rigidity, keeping lines crisp beneath shingles or metal panels. Style it with dark architectural shingles for a bold, modern crown or pair with standing-seam metal to underscore clean geometry. Consider it the invisible luxury—performance you feel in every flawless plane.
Choose DiamondDeck HD today for safer installs, stable coverage, and lasting roof performance.
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