Owens Corning

Seal.

Helps Create a Water-Proof Barrier

REFORMULATED FOR EVEN BETTER PERFORMANCE

Superior walkability,1 wet or dry—that’s what DeckDefense® high-performance synthetic underlayment delivers. TruTread™ technology uses an innovative proprietary textured surface for better grip and traction than competitive premium synthetic underlayments, so even in the most demanding installations, you can walk the roof with confidence.

  • WORKS SMARTER - Enhanced fusion back coating grips the deck and stays put.
  • WALKABLE WET OR DRY - Dew or rain doesn’t slow down the job.
  • STRONGER PROTECTION - Up to 2x stronger than competitive shingle manufacturers’ premium underlayments1
  • PART OF A COMPLETE SYSTEM - A critical part of the Owens Corning® Total Protection Roofing System®^
1 Compared to premium underlayments from competitive shingle brands.

Download Brochure
Photo of a contractor walking across a roof with DeckDefense® High Performance Synthetic Roof Underlayment installed

Technical Information

Product Information

Roll Size

10 sq.

Length

250 ft.

Width

48 in.

Weight

36 lb. 9

Coverage (with 3-in. overlap)

937 sq. ft.

Exposed Color

Light grey

Surface Construction

Coated textured poly

1. Limited to single layer application.
2. The surface burning characteristics of these products have been determined in accordance with ASTM E84. This standard should be used to measure and describe the properties of materials, products or assemblies in response to heat and flame under controlled laboratory conditions and should not be used to describe or appraise the fire hazard or fire risk of materials, products or assemblies under actual fire conditions. However, results of this test may be used as elements of a fire risk assessment which takes into account all of the factors which are pertinent to an assessment of the fire hazard of a particular end use. Values are reported to the nearest 5 rating.
3. Preproduction qualification testing complete and on file. Chemical analysis of each production lot required for total conformance.
4. The surface burning characteristics of these products have been determined in accordance with ASTM E84, UL 723, and CAN/ULC-S102. These standards should be used to measure and describe the properties of materials, products, or assemblies in response to heat and flame under controlled laboratory conditions and should not be used to describe or appraise the fire hazard or fire risk of materials, products or assemblies under actual fire conditions. However, results of this test may be used as elements of a fire risk assessment, which takes into account all of the factors, which are pertinent to an assessment of the fire hazard of a particular end use. Values are reported to the nearest 5 rating.
5. Preproduction qualification testing complete and on file. Chemical analysis of each production lot required for total conformance.
6. The surface burning characteristics of these products have been determined in accordance with UL 723, ASTM E84 or CAN/ULC-S102. This standard should be used to measure and describe the properties of materials, products or assemblies in response to heat and flame under controlled laboratory conditions and should not be used to describe or appraise the fire hazard or fire risk of materials, products or assemblies under actual fire conditions. However, results of this test may be used as elements of a fire risk assessment which takes into account all of the factors which are pertinent to an assessment of the fire hazard of a particular end use. Values are reported to the nearest 5 rating.
7. All values are approximate.
8. The surface burning characteristics of these products have been determined in accordance with UL723, ASTM E84, or CAN/ULC-S102. These standards should be used to measure and describe the properties of materials, products, or assemblies in response to heat and flame under controlled laboratory conditions and should not be used to describe or appraise the fire hazard or fire risk of materials, products or assemblies under actual fire conditions. However, the results of these tests may be used as elements of a fire risk assessment that takes into account all of the factors that are pertinent to an assessment of the fire hazard of a particular end use. Values are reported to the nearest 5 rating.
9. Includes core weight

* Special application required for extended exposure. See installation instructions.
** See actual warranty for complete details, limitations and requirements.
^ Excludes non–Owens Corning™ roofing products such as flashing, fasteners and wood decking.
Underlayment is tested as part of a roof assembly that includes wood decking, underlayment and asphalt roof shingles.
Applies for all areas that recognize Miami-Dade Product Control Section.

Applicable codes and standards

  • ASTM D226
  • ASTM D4869
  • ICC-ES AC188
  • ICC-ESR 3229
  • Florida Product Approval
  • Miami-Dade Product Approval
  • ASTM E108/UL 790, Class A Fire Resistance

Total Protection Roofing System®

Total Protection is more than shingle deep

It takes more than shingles to protect your home. It takes an integrated system of components and layers designed to help perform in three critical areas.

  • SEAL Helps create a water-proof barrier
  • DEFEND Helps protect against nature's elements
  • BREATHE For balanced attic ventilation
Excludes non-Owens Corning® roofing products such as flashing, fasteners and wood decking
See the System
Find a Contractor

Roofing Products & Contractors

Where to Buy
Find a Contractor
Contact Us

Contact Us

Even though we’re a global company, we’re always ready to answer your questions. Call to speak with an Owens Corning representative so you can start your project right away.