Air Bricks Square Hole 220x220mm no.352

The Redbank 220mm x 220mm clay square hole airbrick is designed for builders and site managers who need reliable ventilation solutions within brickwork. Its colour and traditional finish make it a smart choice for both renovation projects and new construction, providing practical airflow while maintaining classic aesthetics. Please Note: Bricks are sold individually and images are for illustration purposes only. Application This airbrick is ideal for ventilating cavity walls, sub-floor spaces, and roof Voids to minimise moisture build-up and prevent damp or harmful gas accumulation. It’s commonly used in external walls, extensions, and restoration projects where maintaining airflow is critical for structural health and compliance with building regulations. Specifications Material: Clay Length: 220mm Width: 50mm Height: 220mm Weight: 4.5kg Free Air Space: 4500mm²