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A Marchand fan before you
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Had a leak. Got it fixed. No mold so just a brown water stain.
Waited for it to dry and then I tried using Kilz primer but the majority of the stain just bled through. I tried laying the Kilz on heavier but after several attempts still no joy. Calling all painters: what do you suggest? I read bleach but I'm thinking it is too late for that since it has several layers of Kilz.
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Have you painted a layer of paint over the Kilz?
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Never banned
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How big is the stain? Have you looked at it from inside the roof?
I'd leave it alone for a while and see if the stain get's any lighter. I suspect the "sheetrock" may not be fully dry from the leak.
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Peter |
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A Marchand fan before you
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Just put a coat of ceiling paint on it. It is better but still showing through - just lighter than before.
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-------------------------------------- Joe See Porsche run. Run, Porsche, Run: `87 911 Carrera |
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credulous Boomer rube
Join Date: Dec 2013
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There are several variations of Kilz on the market. I bet you are using the newer water based low voc version. Try the oil based original. It is available in a spray can.
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1. Let it dry for a month before painting. You may even want to mark the edges of the stain with a marker to see if it is growing or staying the same.
2. Start with Kilz latex. If that doesn't work, try Kilz oil-based. If that doesn't work, try a shellac primer. 3. Apply ceiling paint. |
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Have you tried bleach?
I've used that on acoustic ceiling tiles ... |
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Interesting. I've never had Kilz not work. Still wet?
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Agree with Legion. Oil based is the ticket.
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Brew Master
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I did one coat of kilz and then just regular ceiling paint. Worked like a charm. The kilz is thing and doesn't cover well. Not sure it's really designed to cover. I think it just seals the spot and then you paint. I could be wrong.
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Nick |
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I would think if it got really wet I would cut out and patch it with a new piece of drywall and finish/paint.
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Brew Master
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Quote:
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Oil based Zinsser Stain Block. NOT the water based stuff.
then a coat of ceiling paint.
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You do not have permissi
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Suggest using a big hole saw and spraying the inside a few times with 10 percent+ bleach solution over a couple weeks or months.
Take your time. No need to soak it and pop the drywall. (The brown stains I assume is um from a toilet base wax ring gasket.) Small hole patches can be fixed with one or two short 1x6 with at least a few inches overhang on both sides. Attach plug to that. Lever it into place. A couple drywall screws on the sides no closer than 1.5" maybe. Spackle. Be warned the vinyl stuff doesn't sand and can leave a wavy mess when gooped on thick. Don't be hasty, whatever you use. Also leave the primer a few days to cure. A small bag of Easy Sand 45 or 60 needs to stirred well and rest first, and be applied with 10" or 12" trowel in a 14" square bucket. Done in thin layers it with the last very wet will need very little sanding.
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Meanwhile other things are still happening. |
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Agree with others: Oil based Kilz should cover it.
Also, Kilz makes a ceiling stain primer and paint in a can. My MIL bought some for an old water stain in one of her bedrooms. I had low expectations, but the stuff worked amazingly well for about 3 minutes of work on my part. Was it as good as a fresh painted ceiling? No. But it covered the stain and blended so well you really had to look for it. |
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Did you get the memo?
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Piling on now, water based Kilz sucks but oil based is the bomb. Many years ago I worked at a restoration company we used to spray entire house interiors with oil based Kilz wearing hazmat suits after fires.
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paint the rest of the ceiling brown.
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