Aluminum ventilation grill 446/300

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The acoustic louvre type 446 is a new built-in louvre in the RENSON® product range with specific acoustic characteristics. The sound reduction is guaranteed by the integration of an inorganic non-combustible mineral wool into the blades. This ensures a sound reduction up to 17dB! The acoustic blades are made of aluminium and have a blade pitch of 150mm. These blades are available in depths of 150 and 225mm respectively with blade type L.150 ACS.01 and L.150 ACL.01. The V blade version is available with a depth of 300mm. Material Aluminum profiles AlMgSi 0,5 (according to EN 12020-2) Finish: satin or bronze anodised (20 micron) or powdercoated in any RAL colour (60-80 microns) Stainless steel mesh 304 6x6mm 100% stainless Types of installation Fixing bracket: installation with bracket no. 1428 possible - position 1: up to 100 mm wall thickness - position 2: for wall thickness up to 200 mm Screws: Fix the screws from the outside through the flange (screw holes upon request) Pull bracket: fixation with a long pull bracket and expander bolts for wall mounting or a short pull bracket for connection to a ventilation channel (pull bracket rod optional) Fixation on the backside: by screwing a hammerhead bolt to a structural backframe Sealing possibilities Sealing gasket: suitable for reduction of contact sounds (option sealing gasket) PU sealing tape: against water infiltration (option PU sealing tape) Silicone seal: seal the flange on the outside with silicone. (option silicone)