Weather resistant louvres are suitable for outside air and exhaust air from ventilation and air conditioning systems. They contain profiled, water-repellent blades in all-around frame for installation in external walls. A stainless steel protective grille with approx. 16 x 18 mm mesh size is permanently mounted on the rear side. The fastening of the weather resistant louvre takes place with countersunk holes. The free cross-sectional area is approx. 60% of the inflow cross section.
Frames and blades of W Weather Resistant Louvres are made of galvanized sheet steel. AW Weather Resistant Louvres are made of extruded aluminium profiles. Compared to AWE Weather Resistant Louvre (natural anodised surface) the surface of AW is untreated. Frame and blades are made of extruded aluminium profiles as well.
Sizes (W x H): 300 mm x 345 mm to 2100 mm x 2078 mm