I plan to have the walls of a room skimmed so they can be painted over.
Having stripped off the old paper I am left with patchy painted walls, where
some paint came of with the paper and some remains stuck fast. Will a
plasterer be able to skim walls in this condition?
Also in a few places the plaster appears to be blown, and there are a couple
of small areas where the plaster has come off, revealing the bricks
underneath.Will the plasterer be able to patch these at the same time as
skimming, or should they be patched-up prior to him coming?
tap the walls all over to find all the really loose plaster and pull it off
back to the brick work.
Patching looks messy for small areas, and you'll never get a really smooth
finish to paint on. A very thin skim coating is also prone to cracking and
peeling after a short time as well.
If you can find the large chunks of loose plaster, and peel them off, then
the larger areas are more easily filled and smoothed to match the rest of
bonding coat. However, if some of that plaster is already coming off then I
would guess you can suspect that other bits may also be loose. As far a
plasters time is concerned it is easier to to work from a base that is all
the same material. Differenent thicknesses and types of plaster never give
you a great finish. If you are taking all the plaster off why not think
about putting plaster board back up in its place and then getting the
plaster in to skim it for you. Alternatively you will have to have a base
coat of plaster put up first (normally refered to as browning - A plaster
that is suitable for backgrounds of various suctions) this will be left over
night to go off, and then he should return and put two coats of plaster up,
one directly after the other (normally multi finish). Plaster board will
only require skimming with board finish.
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