Rectangular wall external intake acoustic damping louvre used in ventilation installation intake and exhaust as the end of air intake pipes and ventilation holes in the walls of buildings or directly on the duct. Thanks to a specially designed louvres, ideal where apart from protection against weather conditions required are elevated acoustic parameters. As the material used for silencing was here mineral wool with a veil of fiberglass. In standard used is protective mesh that protects before the bird, rodent and larger impurities (like the leaves) inside the installation.
External intake acoustic damping louvres has Hygienic Certificate HK/K/0522/02/2016
Material and workmanship
External intake louvre frame is made of galvanized steel powder coated to any RAL color (standard RAL 9006). The blades are made of profiled galvanized steel and perforation, powder coated to any RAL color (standard RAL 9006). As the material used for silencing is mineral wool with a veil of fiberglass. Directly behind the intake louvre is a steel mesh expanded metal (standard N16). On request it is possible to make a special external intake louvres of aluminum and stainless steel (1.4301 lub 1.4404).