0 ratings
Item #:
163835587
CertainTeed 12 mil Thick Gray Polymer Synthetic Underlayment 937.5 Sq ft Coverage
85% of respondents would recommend this to a friend
Item #:
163835587
ZAR 5813
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Only 12 items left in stock.
Order now and get it around Wednesday, November 25
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110 V-120 V). Recommended power converters Buy Now.
What Stands Out
Superior Thickness
With a robust 12 mil thickness, this underlayment provides exceptional durability and protection against moisture, enhancing the lifespan of your flooring investments.
Large Coverage Area
Covers 937.5 square feet, making it ideal for larger projects. This extensive coverage minimizes waste and ensures consistent performance across your entire flooring installation.
Moisture Barrier
Designed as a synthetic underlayment, it effectively prevents moisture infiltration, reducing the risk of mold and mildew, thus safeguarding your living space.
Product Details
- The CertainTeed Diamond Deck Synthetic Underlayment is a high performance, polymer-based layer that is reinforced with gauze and is water-resistant. This underlayment layer is meant to be placed beneath asphalt roofing shingles, wood shingles and shakes, metal shingles and panels, concrete tile or slate. Compared to standard asphalt felt underlayment, Diamond Deck Roof Underlayment has remarkable dimensional stability that eliminates the possibility of hygro-expansion wrinkles. The standard asphalt felt underlayment can cause distasteful wrinkles on the finished roof, because it can become very wrinkled when it picks up moisture. Diamond Deck has an extra-large length and width for a speedy application, and it has a special top surface treatment that provides superb slip resistance, even when it is wet. Please Note: Walking or crawling on any roof surface can be dangerous, especially when wet or snow/ice-covered.
| Material | Polymer |
| Coverage area | 937.5 sq ft |
| Color | Gray |
| Thickness | 0.01 in |
| Shape | Roll |
| Brand | CertainTeed |
| Features | Water-Resistant |
| Recommended surface | Concrete |
| Height | 0.01 in (0.03 cm) |
| Fire rating | Class A, B, C |
| Assembled product weight | 38 lbs (17.24 kg) |
| Accessories included | None |
| Model | CTDD |
| Multipack quantity | 1 |
Who Should Buy?
-
Homeowners
Ideal for homeowners seeking durable and moisture-resistant underlayment for roofing projects, ensuring better insulation and protection.
-
Contractors
Professional contractors will benefit from the ease of installation and reliable performance of this synthetic underlayment during construction.
-
Climate Areas
Best suited for regions with varying climates, providing enhanced waterproofing and temperature regulation for roofing systems.
-
Low-Budget Projects
Not suitable for low-budget projects where cheaper materials may already be sufficient and cost efficiency is prioritized.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
How to Shop CertainTeed 12 mil Thick Gray Polymer Synthetic Online From Ubuy?
Answer: It’s easy to shop CertainTeed 12 mil Thick Gray Polymer Synthetic online from Ubuy. You just have to search for the product, choose your shipping method while checking out and get it delivered to your location. -
Question:
Is CertainTeed 12 mil Thick Gray Polymer Synthetic Available to Shop Online in South Africa?
Answer: Yes, at Ubuy South Africa this product is available for you to shop at a reasonable price. The CertainTeed 12 mil Thick Gray Polymer Synthetic is not available locally but you can trust us with our express shipping services. -
Question:
How Long Does It Take to Get Product After Placing the Order?
Answer: The delivery time of your ordered product varies as per what you've ordered and the shipping method that you've chosen. The estimated delivery time is mentioned during the checkout process, so be carefree while shopping.
CertainTeed Editorial Review
CertainTeed 12 mil Thick Gray Polymer Synthetic Underlayment is designed for optimal moisture protection with a coverage area of 937.5 sq ft. This water-resistant underlayment is suitable for use over concrete surfaces, making it a versatile choice for your flooring projects. With a thickness of 0.01 in, it provides a solid barrier while maintaining a lightweight profile of 38 lbs. Users have praised its effectiveness in enhancing the longevity of flooring installations, especially for those concerned about water damage. This product is built with a Class A, B, C fire rating, ensuring safety alongside performance, making it a reliable option for any construction or renovation work.
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Pros
- Water-resistant for enhanced flooring protection
- Suitable for concrete surfaces
- Lightweight design for easy handling
- Class A, B, C fire rating for safety
- Covers large area of 937.5 sq ft
Cons
- Limited color options available for aesthetic matching
Platform Trust & Buyer Confidence
DV
Danielle
Verified buyer
“Best service received. They assisted me with my purchase online via whatsapp every step of the way. They were prompt and efficient , thank you. My daughter is very happy with her douglas dog.”
14 October 2026 · via Trustpilot
D
Devin
Verified buyer
“Fast delivery service,great condiotion of package”
14 October 2026 · via Trustpilot
DM
Dylan
Verified buyer
“Delivered ahead of schedule. Ubuy checkout system and customs process was super easy, will definitley use them again.”
23 October 2026 · via Trustpilot
LL
Leela
Verified buyer
“Always sceptical of overseas shipping…pleasantly surprised Always sceptical of overseas shipping to SA. It was fast and communication was clear the whole process”
27 October 2026 · via Trustpilot
DD
Douglas
Verified buyer
“Quick and easy, from order to delivery, package came with DHL quicker than expected. We are loving the Garmin Pro e-collar, we don't use it for bark control, just training, and for our GSP with high energy, it has changed our lives in how he listens to commands now.”
31 October 2026 · via Trustpilot
WHY SHOP WITH US
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
ZAR 5813
Order now and get it around Wednesday, November 25
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Only 12 items left in stock.
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.