Owens Corning WeatherLock Mat 36-Inches x 66.7-Feet 200-Sq. Feet Polypropylene Roof Underlayment Item #3830461 Model #2419306 one gallon covers up to

one gallon covers up to 300 Sq Ft

as a barrier against overspray

Pin Nailer

PS-WHL-GAC is certified by NSF International to NSF/ANSI Standard 42 for material requirements only

Owens Corning WeatherLock Mat 36-Inches x 66.7-Feet 200-Sq. Feet Polypropylene Roof Underlayment Item #3830461 Model #2419306 one gallon covers up toWeatherLock mat polypropylene roof underlayment. Acts as a second layer of protection under shingles Ideal for all underlayment applications such as full roof deck coverage, eaves, rakes, and valleys Patented Sure Step mat faced design helps provide for a consistent surface, reducing slipping, sticking, and scuffing 40% Lighter than standard mat faced underlayment products, making it easy to load, carry, and install