Owens Corning

Seal.

Helps Create a Water-Proof Barrier

WeatherLock® Specialty Tile & Metal self adhered underlayment provides the additional water proofing protection your home needs to prevent leaks under foam or mechanically fastened tile and metal roofing systems.

  • Extended UV exposure – Resists UV degradation when left exposed for up to 180 days
  • Peak performance – High puncture- and tear-resistant surface
  • Safe installation – Polyester walking surface provides slip-resistant work area
  • 30-year limited warranty* – Helps provide a long-lasting roof system
  • High temp performance – Withstands temperatures upto 260°F without Fusing or degrading overlaying metal roofing
  • Additional protection – Made with a sticky selvage edge for superior lap adhesion

WeatherLock® Specialty Tile & Metal underlayment is an essential part of the Owens Corning® Total Protection Roofing System®^.

Download Data Sheet
Photo of a roof with WeatherLock® Specialty Tile & Metal Waterproofing Barrier installed

Technical Information

CONSTRUCTION

Surface

Polyester Fabric: Comprised of more than 80% recycled material

Adhesive

Modified Asphalt

Removable Backing

Split-sheet peel away release liner

Recycled Content

Minimum of 9% post-consumer

Application

Foam adhesive set or mechanically fastened roof tiles and metal roofing systems

TYPICAL VALUES2

2.14 sq. roll

Length

71.3 ft. (21.73 m.)

Width

3 ft. (0.9 m.)

Gross Coverage

214 sq. ft. (19.88 m2)

1. Includes core weight
2. All values are approximate.
3. Limited to single layer applications above 650°F (343°C), but not greater than 6" (152mm) thickness.
4. With heat up schedule.
5. The surface burning characteristics of these products have been determined in accordance with UL 723, ASTM E84 or CAN/ULC-S102. Values are reported to the nearest 5 rating.
6. Preproduction qualification testing
7. It is critical to have the right amount of intake ventilation and to adequately seal the attic floor to prevent pulling air from conditioned space.
8. For each Gable Mount fan, Owens Corning Roofing requires 890 square inches of intake. See instructions for details.
9. For each Roof Mount fan, Owens Corning Roofing requires 600 square inches of intake. See instructions for details.
10. 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.
11. Preproduction qualification testing complete and on file. Chemical analysis of each production lot required for total conformance.

* See actual warranty for complete details, limitations and requirements.
^ Excludes non–Owens Corning™ Roofing Products such as flashing, fasteners and wood decking.
UL Class A Fire Resistance applies when installed under asphalt shingles and quarry slate, concrete and clay tile.
UL Class C Fire Resistance applies when installed under metal sheet and metal shingles.

Applicable codes and standards

  • ASTM D1970
  • ASTM E108/UL 790, Class A Fire Resistance
  • ASTM E108/UL 790, Class C 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
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