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 environment External cowl protects against excessive weather conditions and alleviates air blasts through the cavity Telescopic cavity liner contains a system of internal baffles to reduce light and draughts Reduces sound by 42 dB with internal grille fully open or closed Internal hit & miss grille manually adjusted with a sliding action allowing ventilation to be controlled as required External water baffles prevent transfer of water across the cavity Cowl, air brick and hit & miss grille UV stabilized to slow down the effects of sunlight BRE verified equivalent area As a plastic component this item is not suitable for use within the external walls of high-rise buildings requiring non-combustible materials Reduces sound, prevents transfer of water |
Material | UV stabilized polypropylene |
Size | Cowl: 255 x 154 x 74 mm (l x h x d) Acoustic AirLiner® with Multifix® Air Brick: 220 x 140 x 250–404 mm (w x h x l) Hit & Miss Grille: 271 x 171 mm (l x h) |
Uniclass 2015 | |
CAWS | F30/17 Ventilation ducts in external walling F30/171 Ventilation ducts in external walling U90/34 Through wall ventilator ducts U90/340 Through wall ventilator ducts |
Product Reference | TALHMBCWLBuff/ Sand Cowl/ Multifix® Air Brick. TALHMTCWLTerracotta Cowl/ Multifix® Air Brick. TALHMWCWLWhite Cowl/ Multifix® Air Brick. |
Colour | - |
Air brick | Buff/ SandTALHMBCWL TerracottaTALHMTCWL WhiteTALHMWCWL |
Equivalent area | 9800 mm² (98 cm²) |
Standard product features | Colour:
Features: Reduces sound, prevents transfer of water. Material: UV stabilized polypropylene. Size:
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