I want to remove the texture from the walls in some rooms of my house. The
texture is the cheap and dirty splatter of drywall mud on a bare wall then
flatten and paint over it type.
I plan to skim coat with either plaster or drywall mud but I have a couple
1. The walls are painted with flat or semi gloss paint. Do I need primer or
just a light sanding or a heavy sanding?
2. What will work better (stick better and come out smooth) drywall mud or
plaster of paris? Does it even matter if I plan to paint over it?
No primer, no paint, no sanding except for areas that obviously need it.
I've done this probably a dozen times. Drywall mud is best. Personally
I use Hamilton's Taping Mud (drys harder) to skim coat or float the
textured walls. And each time I used it over a previously painted
surface, followed by spray or hand texture.
In fact I learned a trick a long time ago when prepping to spray texture
over smooth walls such as a bath that's been painted with a gloss or
semi-gloss, and that is to skim coat the wall using the drywall compound
first. That way the texure won't run or sag as it might if just applied
over a smooth glossy finished wall.
My mind is made up. Some of the walls I want to change are already painted
in semigloss and some are already painted in flat. If they were unpainted,
there would be no question.
Are you saying that even if I prime over the semigloss the skim coat would
not hold but it would over flat, that makes no sense because the primer will
stick to the semigloss and it is flatter than flat (so to speak)
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