DAs-250 roof fan MW/900/P2 standard UNIWERSAL213

Roof fans type DAs, k are made of polyester-glass composite (in the case of standard fans) or vinyl ester-glass composite (in the case of acid-proof fans). It is a glass fiber reinforced resin. This provides the structure with high mechanical strength, resistance to weathering and, which is often very important for renovation and maintenance reasons, practically constant durability of the color given in the production process. The color of the fan casing is practically any color, according to the RAL table, it is a pigment permanently embedded in the resin by means of which the glass fiber layer is saturated. Thanks to this technology, the fan housings practically never require painting, and the operating time does not affect the durability of the pigment used. The mounting elements of