I have airbricks that are just under the DPC of my house. A concrete floor out side the house that is level with eh bottom of the airbrick. The house is a suspended floor bungalow.
There is therefore no "rain bounce" gap in bad weather.
IF I take out the airbrick (twobrick height) and replace it with single brick height airbricks that will give the same if not more ventilation.
1. Can an airbrick span across the DPC if the DPC goes either under or over the airbrick? ie half above and half below the DPC.
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