Air bricks, sometimes called air bricks or air vents, are special bricks containing holes that allow air to enter under the floor of buildings that have suspended floors. Cavity walls also need ventilation to allow airflow that will prevent moisture build up.
Is it OK to block air bricks?
Air bricks should never be blocked or closed and it is recommended that all air bricks are inspected and cleaned on an annual basis. reallymoving comment: Make sure that you employ the advice of a Chartered Surveyor before making any major alterations to your property.
Where should air bricks be placed?
Air bricks may be located either above or below DPC level and where possible on all sides of the building. Ideally air bricks should be located at least 75 mm above hard and soft landscaped areas to reduce the risk of being obstructed or flooded (see diagram 1).
How do brick vents work?
The most effective way to ventilate a brick building is by the use of brick vents. They are engineered to be the same size as a brick so they blend in well with the rest of the wall. They allow for airflow throughout the brick structure while eliminating access for rodents, water, and insects.
How much ventilation does an air brick give?
The Ventilator and Air Brick provide 6000mm2 of air flow, however it is recommended that underfloor ventilators are spaced at a maximum of 2m centres, with Ventilators also positioned not more than 450mm from the ends of the wall.
How do you fit an air brick vent?
https://www.youtube.com/watch?v=k7MmiCSBgoY
What happens if I cover air bricks?
If the air bricks are blocked or closed this will reduce the ventilation and the risk of serious rot and damp will be increased. Air bricks should never be blocked or closed and it is recommended that all air bricks are inspected and cleaned on an annual basis.