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A good coat of kilz should cover up any water stains. If the drywall is’nt damaged, don’t do more work than neccasary.
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Need some advice from re-habbers or drywaller types. My sister-in-law is looking to buy a condo in Chicago which is being re-habed. Part of the re-hab involves fixing a hole in the ceiling drywall caused by a roof leak (also repaired). Around the hole there are water stains which range up to 10 feet away. The builder says that only the hole needs to be patched and that the stains, which do not appear to be "textured" differently than the undamaged drywall, will simply be repainted.
Does this make sense? Or should all water-stained drywall be replaced?
*If the drywall is still sound, the water stains shouldn't be a problem, provided they are sealed with a primer/sealer such as B.I.N or Kilz. I think the real concern should be the insulation above the ceiling. Is it still wet or was it damaged by the water?
*On BIN/Kilz, which I've been using lately, is there reason to use anything else to prime? They are inexpensive, dry quickly (1 hour to recoat!), seem to work well, and have the extra benefit of sealing knots, stains, odors, redwood, etc.
*I've had problems where if the whole wall wasn't primed, the spot prime would telegraph through the top coat. Sometimes too, where changing color, I'll use a good latex primer tinted to match the topcoat ......I'm not sure if BIN can be tinted.
*A good coat of kilz should cover up any water stains. If the drywall is'nt damaged, don't do more work than neccasary.