I’m about to add some decking at the back of the house (see pic) and I’m after a bit of advice. Seeing as there’s 2 x air bricks under the sill, if I left about 1 1/2” gap would that be enough for air flow? The gap would then be hidden by the sill. Or would it be ok to fix the frame to the house, bridging the DPC seeing as the bricks below are protected by the sill. I’d then cut a section of the frame out to allow air flow. Thanks in advance.
Decking bridging DPC
- Thread starter dave1975
- Start date
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