Plastering & Rendering

1903 tenement flat, best way to plaster walls

Anonymous user 28/02/2024 - 3.58 PM

I live in a 1903 sandstone first floor tenement flat. I need to plaster a large cubboard (5ft by 6ft by 2.5 ft) which will house a combi boiler. What will be the best way to replaster it? My flat has no problem with damp but I want this to continue, 2 walls are internal brick walls, a single skin of brick with the lime plaster applied directly. The other wall is an external stone wall about 600mm thick with a lath and lime plaster finish internally. So is it best to take away the old plaster completely back to the brick or stone? The old plaster is shot in a number of places but fine in others. How should I plaster these internal and external walls? Do I use plasterboard, if yes using batons or the dab method? Instead would I use wet plaster, if yes , should it be lime plaster or modern plasters. If modern plaster which type would be best to keep the wall dry? I am aware of the extra difficulty and cost of using lime plaster, so would be happy with alternatives if lime plaster not strictly needed. Any help or advice would be appreciated.

Ardmayle Ltd

Rating: 5 out of 5

5/515 reviews

Warrington

It's such a small space, I'd be tempted to knock it all off, give it a good coat of SBR and dot & dab plasterboard it. If you feel like insulating the stone wall, get yourself some tile backer board and dot and dab it with rapid fix tile cement. Tape the joints as usual and skim it with multifinish. You can buy STS boards from Wickes cheap enough. These have a cementitious/fibreglass outer skin and XPS inner, are waterproof and offer some insulation value. I use such boards regularly on window reveals, (always a big cold-bridging point and black mould growth spot).

Answered9 March 2021

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Nash plastering

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Canterbury

Stick with the lime plaster, using modern plaster in old properties will prevent the walls from breathing.

Answered19 March 2021

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