BRE Certificate
Certificate type
Plastic telescopic acoustic cavity liner set with external cowl.
Plastic, telescopic acoustic cavity liner set with external cowl, for background room ventilation. Compliant with BS 5250.
Features:
As a plastic component this item is not suitable for use within the external walls of high-rise buildings requiring non-combustible materials.
Components:
Features | For use in noisy areas to reduce the amount of noise entering the building for a more peaceful environmentExternal cowl protects against excessive weather conditions and alleviates air blasts through the cavityTelescopic cavity liner contains an internal baffle to reduce light and draughtsReduces sound by 39 dB with internal grille fully open and 40 dB when closedInternal hit & miss grille manually adjusted with a sliding action allowing ventilation to be controlled as requiredExternal water baffles prevent transfer of water across the cavityCowl, air brick and hit & miss grille UV stabilized to slow down the effects of sunlightBRE verified equivalent areaAs a plastic component this item is not suitable for use within the external walls of high-rise buildings requiring non-combustible materialsReduces sound, prevents transfer of water |
Material | UV stabilized polypropylene |
Size | Cowl: 255 x 96 x 44 mm (l x h x d)Acoustic AirLiner® with Multifix® Air Brick: 220 x 71 x 250–368 mm (w x h x l)Hit & Miss Grille: 271 x 95 mm (l x h) |
Uniclass 2015 |
Product Reference | TAL4HMBCWLBuff/ Sand Cowl/ Multifix® Air Brick. TAL4HMTCWLTerracotta Cowl/ Multifix® Air Brick. |
Colour | - |
Air brick | Buff/SandTAL4HMBCWL TerracottaTAL4HMTCWL |
Equivalent area | 6300 mm² (63 cm²) |
Standard product features | Colour:
Features: Reduces sound, prevents transfer of water. Material: UV stabilized polypropylene. Size:
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