British Products Made in British Foundries

cav9 cavity wall sleeve
Restoration companies and architects using the cavity wall sleeves and periscope vents combined with Windsor cast iron air bricksCAV9CAVHEXT9heritage

CAV9 Cavity Telescopic Wall Sleeve & 3 Air Bricks

From: £180

Cavity Telescopic Wall Sleeve comes 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.

Clear selection
SKU: CAV9. Category: . Tags: , , , , , , , .

View the manufacturers specifications for Plastic Ducting

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