I will have to plaster over a small area of aluminium sheet (less than a foot square) on brick wall. Bricks all around. I know you can plaster over the expanded metal, but any issues with a sheet of it ? It may get hot as shower supply pipes go through it. Any problems / things to look out for ? Cheers, Simon.
In article , sm snipped-for-privacy@hotmail.com writes
I haven't done this but think there might be a risk of a patch spalling off if the metal flexes. I'd be inclined to prime the surface with some neat pva & sand for the plaster to grip onto, also give it a reasonable layer (12mm+) rather than a skim.
Score the plate for a good key to grip the plaster rather than suggested pva method
Plate a bit smaller than I said, plus about 2mm thick, so shouldn't flex I hope. I'll score it and use PVA before I plaster. Maybe I will drill a few small holes for extra key. Simon.
I'd cover it with EML fixed to the brickwork - then you don't have to worry about adhesion or flex.
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