Painting your plaster walls
Painting your plaster walls require more labor-intensive works than painting a
drywall. It needs more process and more paint, which makes it quite expensive.
Rather than spending your money to pay someone to paint your plaster wall, you
can paint it by yourself by following the guides below.
Wait until the plaster is dry
First
of all, the plaster should be totally dry. The length of time needed to wait
depends on the plaster used. Painting when they are still damp or even wet will
make the wall becomes moldy, because the paint coats will seal the surface of
the wet plaster which makes the plaster cannot ‘breathe’.
Clean the plaster
When
the plaster is totally dry, you can do the next step; cleaning. Make sure that
the overall surface is smooth by sanding the plaster, don’t forget to use a dust
mask because the very soft dust will be dangerous for your lung. Lastly, remove
the dust residue from the surface using a damp sponge, but make sure that you
don’t wet it.
Start with primer coat
In
making primer coats, there are two options that you can choose. Using plaster
sealer, or mist coats. The latter option can be made by mixing one part of
water with four parts of matt water-based paint.
Apply
the paint all over the plaster surface. You can use a roll for a larger area to
make it quick, and use a brush for small areas. If one coat does not seem
enough, you may give another coat to be sure.
Finishing
Once
the primer coat is dry, it is ready to be painted. It is important to note that
the use of the same roller or brush is not recommended because there must be
unwanted dust from the plaster on the used roller or brush. That dust will make
the finishing coat look scratched and messy instead of smooth. Use new roller
and brush, or wash them with water for a better result of painting.
One
important tip is, lay down some drop cloths under the wall you are working on
and cover your windows and doors frame with tape or paper. Doing that way, you won’t
need to waste your time cleaning the paint drops after painting.
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