Valve under-roof space aerator KRONOPLAST WPBW Under-roof space aerator KRONOPLAST WPBW is designed for installation on finished roofs made of metal tiles. A special bitumen-rubber compound provides waterproofing of the connection between the passage element and the roofing material. It is used for ventilation of the under-roof space / attic. It is mounted on roofs made of metal tiles with a wave height of up to 34 mm (profile type KRONA). Ventilation is necessary to remove excess warm and humid air. Ventilation reduces the likelihood of fungus and mold on roofing materials, which will extend their service life. The aerator is made from Austrian raw materials on German equipment. Primary plastic is used, which is resistant to UV radiation due to a special stabilizer in its composition. European quality, manufacturer's warranty. Material: polypropylene (PP) - stabilized to UV rays. Technical characteristics: * Diameter Ø150, Complete set: screws matching the color of the valve - 12 pcs For metal tiles with KRONA profile COLORS: - black RAL 9005 - 2 Characteristics Main attributes Producer KRONO-PLAST Producer country Poland Diameter 150 mm component Roofing valve (aerator) Color Black User characteristics Delivery within the city 3 000 KZT