To provide ventilation below suspended ground floors.
Always use in conjunction with a Timloc airbrick and Timloc extension accessories.
Equivalent area of 6000mm² per unit.
-Telescopic and adjustable for a step of 3, 4 or 5 brick courses.
-Special grille included to prevent entry of vermin.
-Manufactured by injection moulding in polypropylene.
-UV stabilised, colourfast, durable and totally resistant to decay.
-Manufactured in the UK to BS EN IS0 9001 and BS EN IS0 14001.