Rytons TAL4HMCWL – 9×3 Cowled Acoustic AirLiner® Set with Hit & Miss Ventilator
- Rytons TAL4HMCWL is a telescopic cavity liner set with external cowl for background room ventilation.
- Allows the introduction of fresh outside air into the room to disperse moisture, odours and other airborne pollutants.
- 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.
- The telescopic cavity liner contains an internal baffle to reduce light and draughts.
- Internal hit & miss grille manually adjusted with a sliding action allowing ventilation to be controlled as required.
- Cowl, air brick and hit & miss grille U.V. stabilised to slow down the effects of sunlight.
- External water baffles prevent the transfer of water across the cavity.
- Position at a high level (typically 1.7m above floor level) for all dwelling types and storey heights.
- Please note: This item is a plastic component and therefore is not suitable for use within a) the external walls of buildings more than 11m high where people sleep on the premises (residential, institutional or hospitality) or b) external wall surfaces within 1m of the boundary if the building is 11m high or less, in England.
Sound Reduction & Equivalent Area:
- Sound reduced by 39 dB with internal grille fully open and 40 dB when closed (Dn,e,w) (tested by BRE Acoustics).
- 6,300mm² (63cm²) equivalent area (tested to BS EN 13141-1:2004 and independently verified by the BRE).
Size:
- Cowl: 255mm L x 96mm H x 44mm D.
- Acoustic AirLiner® sleeve: 220mm W x 71mm H, extends from 250mm to 368mm L (including air brick) (see image gallery).
- Hit & Miss grille: 271mm L x 95mm H.
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