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B&Q£72.36Visit shop - 215mm X 140mm Square Hole Clay Air Brick Buff (9" X 6")Pack Of 3
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The B&Q Square Hole Clay Air Brick is ideal for homeowners and builders looking to improve structural longevity through effective underfloor and cavity wall ventilation. By facilitating consistent airflow, these bricks are essential for preventing moisture build-up, rot, and condensation within your property's foundation and structural voids. While these high-quality fired clay units offer exceptional durability and frost resistance, ensure you calculate the correct number of units required for your specific building code ventilation requirements before installation.
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Yes, as they are constructed from high-quality fired clay, they are designed to maintain structural integrity within standard masonry walls.
While the bricks come in a natural buff finish, if you choose to paint them, ensure you use a breathable masonry paint to avoid trapping moisture inside the clay.
In most standard masonry applications, the existing bond of the wall provides sufficient support, but you should consult local building regulations if the brick is being placed in a high-load area.
The number depends on the total floor area; please refer to current local building regulations for ventilation requirements regarding suspended timber floors.
Yes, being made of fired clay, they are naturally fire-resistant and suitable for use in exterior masonry walls.
These are manufactured from high-quality fired clay, which is specifically chosen for its durability and resistance to the elements.
Check that the interior of the brick is not obstructed by insulation material or debris that may have fallen into the cavity during construction.
Ensure the surrounding brickwork was stable before installation and that a standard, compatible mortar mix was used for the pointing.
Verify that you have installed enough air bricks to meet the required net free area for your floor space and ensure there is a clear path for air to travel beneath the structure.
Installation should be carried out by a competent person or qualified bricklayer. Remove the damaged brick or create the necessary opening, ensuring the wall is adequately supported. Use a suitable mortar mix to secure the air brick, ensuring it is flush with the surrounding masonry and that the square holes remain unobstructed.
For maintenance, periodically inspect the exterior of the bricks to ensure they have not been blocked by vegetation, garden debris, or soil levels being raised too high against the wall. A simple brush-down with a soft-bristle broom is usually sufficient to clear any surface dirt or cobwebs that might restrict airflow.
