SKU: 86298007348

CertainTeed Roofing RoofRunner High-Performance Synthetic Roofing Underlayment, 4 ft x 250 ft Roll (10 SQ)

Sale price$115.82 Regular price$128.69
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Description

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

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.

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: 86298007348

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jj
Grantham, US
★★★★★ 5
This worked when nothing else did
I never had eczema in my life until perimenopause decided to surprise me with it. It was so bad I genuinely thought I was having an allergic reaction to something. Went to the doctor, did two rounds of prescription steroid creams, tried pretty much everything over the counter I could find. Nothing fully knocked it out. Started using this every night before bed and my skin was cleared up in less than two weeks. Two weeks. After months of dealing with it and throwing everything at it, this is what finally did it. It goes on smooth, doesn’t sting on irritated skin, and there’s no fragrance which matters when your skin is already angry. It’s thick enough to feel like it’s actually doing something without being greasy or gross on your sheets. If you’re dealing with eczema for the first time and you’re frustrated because nothing is working — I was you. Try this before you spend another copay on a dermatologist visit.
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Reviewed in the United States on May 14, 2026
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Aunt Pam
Grantham, US
★★★★★ 5
Best moisturizers for extremely dry, flaky skin.
I do not have eczema, but I have itchy, very dry, flaky skin and no moisturizer has helped. My neighbor, who has eczema, recommended I try this, and it works perfectly for me! It's the only moisturizer that has worked. I LOVE it!
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Reviewed in the United States on June 4, 2026
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Andie
Chelsea, US
★★★★★ 5
Super effective!
Amazing product! Life changing! I used to use Gold Bond Intense Itch Relief and I had to constantly reapply it because I continued to get itchy legs. This product is amazing though! I apply a nice layer of it to my legs right after I shower and I am finally able to get a good night's rest without feeling itchy. It does make my lega super sticky but I'd rather have this feeling than that crazy, uncontrollable Itch!
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Reviewed in the United States on April 13, 2026
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ZRHKS
Pawtucket, US
★★★★★ 5
A game changer for meal prep, high-quality and durable
Size: 4 Pack, Size: 4 Pack
Review for YIVEKO Baby Food Containers Silicone Set The YIVEKO Baby Food Containers have been a game-changer for meal prep and food storage for my baby. Here’s what I loved about them: Quality and Material: The silicone material is soft, durable, and completely safe for baby food. It’s BPA-free, and I feel confident knowing it’s safe for my little one. The containers are flexible yet sturdy, making it easy to pop out frozen food without any hassle. Portion Size: The portions are just the right size for baby meals, making it super convenient to prep food in advance. Whether it’s purees, snacks, or small servings of fruits, these containers hold the perfect amount. Ease of Use: The lids fit securely, preventing any leaks or spills, even when traveling. They’re also microwave-, freezer-, and dishwasher-safe, which makes cleaning and reheating a breeze. Design: The stackable design saves space in my fridge and freezer. The vibrant colors add a fun touch, and the soft silicone ensures no sharp edges, which is great when my baby grabs them during feeding time. Overall Value: This set is an excellent investment for busy parents. It has made meal prep so much easier while ensuring my baby gets healthy, homemade food. Rating: ⭐⭐⭐⭐⭐ (5/5) Highly recommend this product to parents looking for safe, convenient, and durable food storage for their babies!
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Reviewed in the United States on January 9, 2025
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Alejandro
Grantham, US
★★★★★ 5
Good quality, dishwasher safe and beautiful colors
Love this baby food containers! Amazing to storage for multiple days and also to take for the daycare. Very soft materials and high quality The colors and very nice ( neutral colors) and easy to use. The lid has a perfect sizing so there is no leaking. Easy to clean and those are dishwasher safe
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