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Protection for vulnerable areas… WinterGuard™ waterproofing shingle underlayment is the solution for winning the battle against water penetration in your roof’s most vulnerable places. WinterGuard is a composite material of asphalt polymers, formed into a rolled sheet. WinterGuard is one of the key components in the CertainTeed Integrity Roof System™ which is comprised of underlayments, shingles, accessory products and ventilation all working together. The Integrity Roof System is designed to provide optimum performance–no matter how bad the weather conditions are. For more information regarding the Integrity Roof System click on the brochure link to the right.

Click to Download WinterGuard Brochure PDF

Click to Download Integrity Roof System PDF

Integrity Roof System infographicCertainTeed Integrity Roof System logo

Technical Information

Choose your Weapon – WinterGuard comes in three effective surface finishes: Sand, Granular and Hi Tack/High Temperature Film. Consider the design and slope of the roof, combined with your personal preference.


  • Embedded sand to enhance traction during application

  • Improved exposure prior to shingling over

  • Very effective under tile

  • Meets ASTM D1970

  • Length: 65 ft. (short roll 32.5 ft.) Width: 3 ft.

  • 68 lbs. per roll (short roll 35.5 lbs. per roll)


  • Enhanced skid-resistant top film surface

  • An advanced waterproofing underlayment for shingle, metal, slate and tile roofs

  • Specially formulated to resist high roof temperatures under metal roofs

  • Meets ASTM D1970

  • Length: 65 ft. Width: 3 ft.

  • 50 lbs. per roll

Click to Download WinterGuard Data Sheet PDF



WinterGuard is warranted against manufacturing defects and to remain watertight for the same period as the warranty duration carried by the shingles applied above it — up to a maximum of 50 years.

Click to Download Waterproof Underlayments Warranty

RoofRunner logo

RoofRunner™ is a lightweight, synthetic polymer-based underlayment that outperforms felt and outclasses other synthetics. Designed for use on roof decks as a water-resistant layer beneath asphalt roofing shingles, this scrim-reinforced underlayment includes a special top surface treatment that provides excellent slip resistance, even when wet. It’s large roll size – 4 feet wide x 250 feet long – helps speed application.

Click to Download RoofRunner Information PDF

Technical Information


  • Dimensions: 48″ wide x 250′ long
  • Roll Side: 1,000 sq. ft.
  • Coverage: 937.5 sq. ft.
  • Weight 23 lbs.


Roof runner confirms to:

  • Physical requirements both ASTM D226 and D4869
  • UL 790 / ASTM E108 Class A Fire Resistance with Class A Roof Shingle
  • ICC-ES AC188

Click to Download RoofRunner Data sheet PDF


Applying a roof system correctly is essential to the warranty and performance of the roof. Please refer to the installation instructions for complete details.

Click to Download Underlayments Installation PDF

RoofRunner image


When RoofRunner™ is used in conjunction with a CertainTeed roofing product, RoofRunner will take on the same warranty period as the shingle above it. When RoofRunner is used with a non-CertainTeed product, the limited warranty period will be 10 years.

Click to Download RoofRunner Warranty