Summary
Plastic telescopic acoustic cavity liner set with external cowl.
Plastic telescopic acoustic cavity liner set with external cowl.
Plastic telescopic acoustic cavity liner set with external cowl.
Application
- For background room ventilation.
- As a plastic component this item is not suitable for use within the external walls of high-rise buildings requiring non-combustible materials.
- For background room ventilation.
- As a plastic component this item is not suitable for use within the external walls of high-rise buildings requiring non-combustible materials.
- For background room ventilation.
- As a plastic component this item is not suitable for use within the external walls of high-rise buildings requiring non-combustible materials.
Description
Plastic, telescopic acoustic cavity liner set with external cowl, compliant with BS 5250.
Features and benefits:
- 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 40 dB with internal grille fully open and 41 dB when closed.
- Internal hit and 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 and miss grille UV stabilized to slow down the effects of sunlight.
- BRE verified equivalent area.
Components:
- Cowl.
- Multifix® Air Brick.
- Acoustic AirLiner®.
- Hit & Miss Grille.
Plastic, telescopic acoustic cavity liner set with external cowl, compliant with BS 5250.
Features and benefits:
- 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 40 dB with internal grille fully open and 41 dB when closed.
- Internal hit and 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 and miss grille UV stabilized to slow down the effects of sunlight.
- BRE verified equivalent area.
Components:
- Cowl.
- Multifix® Air Brick.
- Acoustic AirLiner®.
- Hit & Miss Grille.
Plastic, telescopic acoustic cavity liner set with external cowl, compliant with BS 5250.
Features and benefits:
- 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 40 dB with internal grille fully open and 41 dB when closed.
- Internal hit and 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 and miss grille UV stabilized to slow down the effects of sunlight.
- BRE verified equivalent area.
Components:
- Cowl.
- Multifix® Air Brick.
- Acoustic AirLiner®.
- Hit & Miss Grille.
Color
Cream, Orange, White
Cream, Orange, White
Cream, Orange, White
Material
Plastic
Plastic
Plastic
Size
274 x 235 x 103 mm, 220 x 207 mm, 271 x 247 mm
274 x 235 x 103 mm, 220 x 207 mm, 271 x 247 mm
274 x 235 x 103 mm, 220 x 207 mm, 271 x 247 mm
Specification
Classification data
Material
Plastic.
Plastic.
Plastic.
Additional properties
Equivalent area
12 700 mm².
12 700 mm².
12 700 mm².
Air brick
White.
Buff/ Sand.
Terracotta.