COMBINATION AIRBRICK 9" x 3" BUFF Upright predrilled with 12mm holes

Upright predrilled with 12mm holes

A reinforcing mesh made from woven fibreglass yarns and coated with an alkaline resistant latex

TUV safety classification

Designed to provide high levels of ventilation into cavity walls and under floor voids - 6

planed and carved once dry

COMBINATION AIRBRICK 9" x 3" BUFF Upright predrilled with 12mm holesPacked: 10 Designed to provide high levels of ventilation into cavity walls and under floor voids 6,450mm of airflow per 9 x 3 airbrick Incorporates a front mounted grille with water deflectors Can be stacked together to create 9 x 6 and 9 x 9 combinations A mortar key around the edge of the airbrick ensures it can be securely fixed to the building fabric and a clip together facility provides a choice of ventilation sizes The product is suitable for