air brick

air brick

[′er ‚brik]
(materials)
A brick or brick-sized metal box that is hollow or perforated and used for ventilation.

air brick

A perforated brick or perforated metal unit of brick size which is built into a wall; used for ventilation.
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References in periodicals archive ?
The crew from Peterlee station removed an air brick and were able to reach in and save the bunny.
The fitting of Dri-Cowl negates the dwellers' need to internally block off the air brick, and is fixed using screws and silicone/polysulphide mastics.
There was a period between the wars when cavities were ventilated by having only an air brick in the outer leaf, with no bridging sleeve across the cavity, and, if necessary, alternate bricks removed in the inner leaf to allow air flow under a wooden floor.
It includes items like door barriers, air brick covers and toilet plugs.
Some flood protection products, such as air brick covers and barriers for doors, are already being used by a number of householders.
The products included a new "permanent air brick" that has a valve to stop flood water from getting into buildings, and temporary door covers that can be put in place when the risk of flooding is high.
These include door and window guards and watertight air brick covers to act as flood barriers, together with large sturdy purpose-made plastic containers to protect goods and furniture.
Wirral magistrates heard the young worker had used a petrol-powered "scabbling" machine to strip a concrete floor in a room with just a partially-blocked air brick as ventilation.
There are no ventilation bricks and we wondered whether the problem could be alleviated by a fan or air brick? We also thought of laying cushion flooring over the tiles.
Do I need to put in an air brick in the space above the ceiling to give air circulation on an outside wall?