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Seal.

Helps Create a Water-Proof Barrier

WeatherLock® Mat Self-Sealing Ice & Water Barrier is designed to act as an additional line of protection against damage due to shingle blow-offs, wind-driven rain and ice damming.

  • SureStep® Technology provides excellent traction to help protect crews against slipping
  • Light weight - Easy to load, carry and install
  • Versatile selvage edge design - Allows for faster installation
  • WeatherLock® Mat Self-Sealing Ice & Water Barrier is an essential part of the Owens Corning® Total Protection Roofing System®^.
Closeup photo of a contractor on a roof installing WeatherLock® Mat Self-Sealing Waterproofing Barrier

Technical Information

CONSTRUCTION

Surface

Polymeric Coating

Reinforcement

Durable FIBERGLAS™ mat

Adhesive

Modified Asphalt

Removable Backing

Split-sheet peel away release liner

Application

Engineered for asphalt shingles, wood shake and quarry slate roof assemblies

TYPICAL VALUES 1

2 sq. roll

Length

66.7 ft. (21.3 m.)

Width

3 ft (0.9 m.)

Gross Coverage

200 sq. ft. (19.4 m2)

1 All values are approximate.
^ 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.

Applicable codes and standards

  • ASTM D1970
  • PRI ER 1378E02
  • 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

Roofing Products & Contractors

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.