Deck Defense® High Performance Roof Underlayment

Helps Create a Water-Proof Barrier

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.

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Specifications & Literature

Installation InstructionsDeck Defense® HP Roof Underlayment Installation Instructions

Deck Defense® HP Roof Underlayment Installation Instructions

| 1.4 MB

DeckDefense® HP Roof Underlayment Data Sheet PDF | 15.74 MB

Deck Defense® HP Roof Underlayment Installation Instructions PDF | 1.41 MB

Deck Defense® HP Underlayment Warranty PDF | 996.33 KB

Technical 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.