Air Resistant, Gasket
Tested for air infiltration and water penetration
The Van-Met Model NPL is designed for use where control of air penetration is a requirement. Manufactured with all galvanized steel, stainless steel hinge, and non-corrosive hardware for long-term durability.
Model NPL met the performance criteria as per CSA A440-00 (windows) for an Air Tightness rating of A-3 at infiltration pressures of 75 Pa and 300 Pa and at ex-filtration pressures of 75 Pa and 300 Pa. Testing performed by Intertek (Warnock Hersey).