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Description

Plastic, telescopic acoustic cavity liner set for background room ventilation. Compliant with BS 5250.

Features:

  • For use in noisy areas to reduce the amount of noise entering the building for a more peaceful environment.
  • Telescopic cavity liner contains a system of internal baffles to reduce light and draughts.
  • Reduces sound by 39 dB with internal grille fully open and 40 dB when 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.
  • 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.

Components:

  • Multifix® Air Brick.
  • Acoustic AirLiner®.
  • Hit & Miss Grille.

General information
Features

For use in noisy areas to reduce the amount of noise entering the building for a more peaceful environment

Telescopic cavity liner contains a system of internal baffles to reduce light and draughts

Reduces sound by 39 dB with internal grille fully open and 40 dB when 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

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 water transfer, HETAS approved

Material

Polypropylene

Size

Cowl: 274 x 235 x 103 mm

Acoustic AirLiner® with Multifix® Air Brick: 220 x 207 x 250-404 mm

Hit & Miss Grille: 271 x 247 mm

Uniclass 2015
Pr_30_59_96_92 Ventilation ductsPrimary
Specification data - Ventilation ducts
Product Reference

TALH&MBB

Blue/ Black Multifix® Air Brick.

TALH&MBL

Black Multifix® Air Brick.

TALH&MBS

Buff/ Sand Multifix® Air Brick.

TALH&MDB

Brown Multifix® Air Brick.

TALH&MGR

Grey Multifix® Air Brick.

TALH&MTC

Terracotta Multifix® Air Brick.

TALH&MWH

White Multifix® Air Brick.

Colour -
Air brick

Blue/ Black

TAL4H&MBB

Black

TAL4H&MBL

Buff/ Sand

TAL4H&MBS

Brown

TAL4H&MDB

Grey

TAL4H&MGR

Terracotta

TAL4H&MTC

White

TAL4H&MWH

Equivalent area

10 500 mm² (105 cm²)

Standard product features

Colour:

  • Acoustic AirLiner®: Black.
  • Hit & Miss Grille: White.

Features:

Reduces sound, prevents water transfer, HETAS approved.

Material:

Polypropylene.

Size:

  • Cowl: 274 x 235 x 103 mm
  • Acoustic AirLiner® with Multifix® Air Brick: 220 x 207 x 250-404 mm
  • Hit & Miss Grille: 271 x 247 mm

Literature
Third party certifications
  • Verified
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