I'm need a couple of air bricks at the back of my house.
The rear yard though is higher than the interior floor so a telescopic air brick would be required.
What's the best way of putting these in? Digging down then removing a bunch of wall from outside then fitting airbrick and rebuilding?
Or pulling the floor up inside to get at the inner wall?
Ta.
Is the ventilation required in the room or under the floor? Does the wall have a cavity?
Bill
Under the floor.
And yes.Well it does above ground anyway.
I saw the way this was done at a school I was working at. Basically they dug down and fitted a vertical rectangular plastic duct about 2" x 12" next to the wall. It ended about a foot above the ground with a blank top end. Just below the top end was a louvre in the side wall of the duct. It looked like a purpose made product. It was grey plastic.
Bill
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