British Products Made in British Foundries

cav9 cavity wall sleeve
CAV9CAVHEXT9heritageIMG_7911rps_369_rgbNBS Plus Endorsement Stamp Purple 256DSCF3070

CAV9 Cavity Telescopic Wall Sleeve & 3 Air Bricks

From: £180

Cavity Telescopic Wall Sleeve complete with 3 Cast Iron Air Bricks with choice of finishes, bare as standard or painted black (+£30)

The air bricks are normally used externally and are the Windsor style which interconnect and clip into the cavity wall sleeve. We recommend using a drilled 9×9 inch Heritage vent, item HER9 on internal walls, either with or without copper flyscreen mesh.

If the wall thickness is more than 400mm then additional cavity wall sleeves are required and these are available item CAVHEXT9

Product specifications can be found in the table below.

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SKU: CAV9. Category: . Tags: , , , , , , , .

View the manufacturers specifications for Plastic Ducting

Specification PDF for Cast Iron Metric Windsor Air Bricks ciabWIN1

3 8.5 x 8 13500 Item HER9 220 x 207
extends 250-404

Item No. of air bricks supplied Nom. External size (inch) max airflow (mm2) Recommended Grille Ducting Dimensions (mm)
CAV9 3 8.5 x 8 13500 HER9 220 x 207, extends 250-404