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Description

Plastic, telescopic cavity liner set for background room ventilation. Cowled option available. Compliant with BS 5250.

Features:

  • Telescopic cavity liner contains a system of internal baffles to reduce light and draughts.
  • Internal hit & miss grille manually adjusted with an easy sliding action, giving control over the amount of ventilation let into the room.
  • 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.
  • Cowled option available to protect against excessive weather conditions and alleviates air blasts through the cavity.
  • 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.
  • AirLiner®.
  • Hit & Miss Grille.
  • Cowl.

General information
Features

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

Internal hit & miss grille manually adjusted with an easy sliding action, giving control over the amount of ventilation let into the room

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

Cowled option available to protect against excessive weather conditions and alleviates air blasts through the cavity

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

Material

Cowl: UV stabilised high impact polystyrene

Multifix® Air Brick: U.V. stabilised polypropylene

Telescopic liner: Polypropylene

Hit & Miss Ventilator: U.V. stabilised high impact polystyrene

Size

AirLiner® with Multifix® Air Brick: 220 x 207 x 250–404 mm (w x h x l)

Hit & Miss Grille: 271 x 247 mm (l x h)

Cowl: 274 x 235 x 103 mm (l x h x d)

Uniclass 2015 Ventilation ducts (Pr_30_59_96_92)
Specification data
Product Reference

TC20HMBB

Rytons 9×9 Ventilation Set with Hit & Miss Ventilator Blue/ Black.

TC20HMBL

Rytons 9×9 Ventilation Set with Hit & Miss Ventilator Black.

TC20HMBS

Rytons 9×9 Ventilation Set with Hit & Miss Ventilator Buff/ Sand.

TC20HMDB

Rytons 9×9 Ventilation Set with Hit & Miss Ventilator Brown.

TC20HMGR

Rytons 9×9 Ventilation Set with Hit & Miss Ventilator Grey.

TC20HMTC

Rytons 9×9 Ventilation Set with Hit & Miss Ventilator Terracotta.

TC20HMWH

Rytons 9×9 Ventilation Set with Hit & Miss Ventilator White.

TC20HTCWL

Rytons 9×9 Cowled Ventilation Set with Hit & Miss Ventilator Terracotta.

TC20HBCWL

Rytons 9×9 Cowled Ventilation Set with Hit & Miss Ventilator Buff/ Sand.

TC20HWCWL

Rytons 9×9 Cowled Ventilation Set with Hit & Miss Ventilator White.

Colour -
Air brick

Blue/ Black

TC20HMBB

Black

TC20HMBL

Buff/ Sand

TC20HMBS, TC20HBCWL

Brown

TC20HMDB

Grey

TC20HMGR

Terracotta

TC20HMTC, TC20HTCWL

White

TC20HMWH, TC20HWCWL

Equivalent area

TC20HM - 30 000 mm² (300 cm²)

TC20HCWL - 27,000 mm² (270 cm²)

Standard product features

Colour:

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

Material:

  • Cowl: UV stabilised high impact polystyrene.
  • Multifix® Air Brick: U.V. stabilised polypropylene.
  • Telescopic liner: Polypropylene.
  • Hit & Miss Ventilator: U.V. stabilised high impact polystyrene.

Size:

  • AirLiner® with Multifix® Air Brick: 220 x 207 x 250–404 mm (w x h x l).
  • Hit & Miss Grille: 271 x 247 mm (l x h).
  • Cowl: 274 x 235 x 103 mm (l x h x d)

Literature
Third party certifications
  • Verified
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