Owens Corning WeatherLock Mat 36-Inches x 66.7-Feet 200-Sq. Feet Polypropylene Roof Underlayment Item #3830461 Model #2419306 The wall vent duct kit

The wall vent duct kit for exhaust fan exhaust hot air from the clothes dryer vent and bathroom fan venting

one gallon covers up to 300 Sq Ft

Pin Nailer

and how the Gold Fin® coating repels water and stops corrosion and rust in its tracks

provides protection in homes requiring higher flow rates (3 or more bathrooms)

Owens Corning WeatherLock Mat 36-Inches x 66.7-Feet 200-Sq. Feet Polypropylene Roof Underlayment Item #3830461 Model #2419306 The wall vent duct kitWeatherLock 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