Lathe plaster strip between floors on stairs

5 Feb 2005
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United Kingdom
Pic shows hallway wall, after wallpaper stripped.

Between ground and first floor, the walls have beams running the length of wall, like a course of brick, but wood, as a base supporting the first floor joists. That is an internal wall.

House is 100+yrs old.

Here is a pic looking up the stairs at the wall.


The previous occupant made a poor polyfilla repair decades ago before papering, which was obvious through the paper, and now the orignal lime plaster is blowing /crumbling around the filler.

House was empty/unheated (stat was set to 4 Celsius) for several years before we moved in.

I assume the blowing only here is due to brick/wood expanding/contracting at different rates as temp and humidity fluctuated.

My gut feeling is remove the plaster and lathes, infill with plasterboard and skim/feather this into the original plaster (that is solid)?

Or would it be preferable to remove the plaster/filler on the lathes, and reapply plaster on to them? I dont think so due to the wood/brick expansions differences.

Please advise and thanks for the help
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24 Aug 2010
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United Kingdom
jacko555, good evening.

Best way is to remove the Lath and replace with Plasterboard. you will need to install timber battens to act as a support for the P/Board, then skim and feather in.


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