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Airtightness around fuse board & externals

porrige · 2019-06-23 20:02:43

Hey, Has anyone any advice or example pictures of how to ensure airtightness around electrical fuse board - wires coming down from ceiling (outside airtightness envelope) Also, for ducts coming into the house such as mains electricity to the distribution/fuse board, how best to deal with that service hole in the wall ? For…

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23-06-2019 9:02pm

#1

porrige

Registered Users Posts: 38 ✭

Join Date: August 2013

Posts: 27

Hey,

Has anyone any advice or example pictures of how to ensure airtightness around electrical fuse board - wires coming down from ceiling (outside airtightness envelope)

Also, for ducts coming into the house such as mains electricity to the distribution/fuse board, how best to deal with that service hole in the wall ? For masonry house, is it enough to just put some extra cement around the duct/conduit when applying scratch coat plaster ?
Would a grommet be beneficial on 4inch block with a hole in block 2-3 times the size of the duct coming through it ?

Looking to achieve below 2 for air test.

Thanks.

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