Owens Corning WeatherLock® Mat Self-Sealing Ice and Water Barrier 3' x 66.7' (200 sq. ft.)

Owens Corning® WeatherLock® mat self-sealing ice and water barrier is designed to act as an additional line of protection against damage due to shingle blow off, wind-driven rain, and ice damming. Now with SureStep™ technology, it provides excellent traction to help protect against slipping.