to paint over wallpaper
If you have the
time, removing wallpaper prior to painting is the best option.
But if you aren't able to renove the wallpaper for whatever
reason, you can paint over it if you follow some simple rules
for painting over wallpaper.
First, you need
to make sure that no corners or seams are lifting. The paint
will crack because of the movement of the paper. So no, painting
over wallpaper isn't a good idea if your wallpaper is in rough
shape and it's easier than removing it. Securely glue any
corners or edges and allow to thoroughly dry.
Next, you will
want to paint over the wallpaper with two coats of stain killing
primer-sealer. This will cover the pattern of the wallpaper
so you won't see the design through the top coat of paint.
Regular primers will not do the trick that stain-killing primers
do, as they are not fomulated to cover any patterns beneath
Once you have your
two coats of primer done and dried, check the seams or any
other imperfections that the wallpaper caused (such as other
holes etc). Use a high grit sandpaper (such as 400 or 600
grit) to file down the seam so it is not noticeable.
Now it is time
for your main coat of paint. Just paint over the primer like
usual. Allow to dry and now you have perfectly painted walls,
painted overtop of your old wallpaper.
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