SKU: 96964821275

CertainTeed DiamondDeck HD Synthetic Roofing Underlayment, 48 in. x 250 ft (10 SQ Roll)

Sale price$169.50 Regular price$188.33
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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.

Warranty

Installation

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: 96964821275

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4.2 ★★★★★
Based on 8 reviews
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M
Verified Purchase
Michael R.
West Palm Beach, US
★★★★★ 5
Every oil change for bikes
I use this in my bike every oil change
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026
L
Verified Purchase
Larry Musgrave
Belleville, US
★★★★★ 5
Buddy filled diesel skid steer with automotive gas engine oil. Used this to help.
We all know that guy who will buy a $65,000 machine and then only service it once a year with the cheapest oil on the shelf from Rural King or some other place with ultra cheap, home branded, questionably quality oil. Yep. That is my good buddy. So I go to the shop a couple weeks back and he is re-filling the skid steer engine with some ultra cheap, totally not to spec, gas engine oil. I question him and he states that it is perfect oil for the machine being 5W-30. I ask him if it meets the SAE ratings for the diesel, he repeats back that yep... it is 5W-30. So I go grab his New Holland book (C232 track skid steer) and look up the oil requirements, then I look at this junk oil, and I try to explain to him the SAE designations on the back of the bottle and the SAE requirements in the book. He looks at me like I have 3 heads and repeats that it is 5W-30, it is totally good. Someone.... kill me please! He has no clue what I am trying to explain. So I couldn't sleep knowing what he is doing, and I ran to Amazon to see if I can at least get zinc to add to the wrong oil and try to help the cam followers and rockers survive this next year. I found this. I ordered a few bottles and had them shipped to his shop, and I explained to him that these need to be dumped in to at least make an attempt in not prematurely wear the engine that likely is worth $20,000 or more! So the real question is, will he actually dump these into the machine, or will he toss them on a shelf never to be seen again? We may never know. But I bet next winter he will once again shop for the cheapest oil on earth to put in a machine that costs as much as some peoples home. He is who he is, you can never change that.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 6, 2023
J
Verified Purchase
J. Bee
Carnegie, US
★★★★★ 5
Works good for my old tractor
Put it in my old 1953 Ford Golden Jubilee
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Reviewed in the United States on September 28, 2025
L
Verified Purchase
LovesAmazon24
Omaha, US
★★★★★ 5
High quality replacement clips. Highly recommend.
I used these when replacing the headlight assemblies on my 2011 Honda CR-V. A few clips were already missing before I even started taking the bumper off, and of course a couple more didn’t survive the job. These fit perfectly and snapped right in with no issues. If you’re missing clips or break some while doing a repair, these are a simple fix that gets everything secured again. Very good deal.
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Reviewed in the United States on March 8, 2026
W
Verified Purchase
wallis
Boise, US
★★★★★ 5
Mostly usable parts
Good fit, work well, but some sizes too small for my car, useless.
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Reviewed in the United States on March 17, 2026

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