A range of packs consisting of one or more Cavibricks (airbricks), cross cavity duct/ sleeve, internal grille and damp proof course (DPC) cavity tray.
A range of packs consisting of one or more Cavibricks (airbricks), cross cavity duct/ sleeve, internal grille and damp proof course (DPC) cavity tray providing a choice of three air flow rates.
Cross cavity duct/ sleeve can be cut to suit cavity wall width.
Provides ventilation to habitable rooms and combustion air to rooms containing a boiler
Dpc cavity tray (Cavitray) provided above duct/ sleeve
Unplasticized polyvinyl chloride (PVC-U) and polypropylene
F30/17 Ventilation ducts in external walling
F30/171 Ventilation ducts in external walling
Ventilation pack number
Single brick size (75 x 225 mm); airflow rate 6700 mm².
Two brick size (150 x 225 mm), airflow rate 13 700 mm².
Three brick size (225 x 225 mm), airflow rate 20 700 mm².
Standard/ default colour.
Standard product features
Unplasticized polyvinyl chloride (PVC-U) and polypropylene.
Internal grille colour:
Duct/ sleeve and Cavitray colour:
Length of duct/ sleeve:
Standard/ default colour is Terracotta. Other colours require special order.