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screw a thin sheet of alloy metal each side of the hole,like a table mat size ,add a sealer to prevent water ingress.

Quote: Originally posted by floggitt on 07/3/2011

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And no need to mow it!

I would remove the aluminium trim and screw some thin plywood each side, then drill two small holes in the top one and inject builders foam into it. It will be watertight and sealed then.

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i took my heater out also, it was going to cost too much to get fixed, and we always use electric hook ups and have now fitted an electric heater where the as fire was.

I infilled the hole with 2 or 3 layers of plywood, (what ever you need to make up the thickness)I then got a new section of ply for the cupboard floor and screwed it down to the floor and also screwed it into the new infill section, that then held it in place.