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2
votes
1answer
275 views

How do I prepare concrete walls before applying water-dispersion paint?

I had a concrete wall painted with white water-dispersion paint. Every here and there the old paint was chipped and dark gray bare concrete could be seen. I got a can of white water-dispersion paint ...
5
votes
3answers
3k views

Why don't the textures of drywall patches match the room?

I recently remodeled a bedroom and installed new drywall. We painted the walls and ceiling with flat paint (since this is in the master bedroom and it is supposed to "hide" imprefections better than ...
17
votes
7answers
77k views

How do I prepare an already painted wall for new paint?

We are repainting a number of rooms in our home, do we need to put primer over the existing paint? Are there any other gotchas that we need to prepare for before repainting the walls?