How To Repair A Stained Ceiling

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Key steps

Learn how to remove h2o stains from ceilings in iv steps:

Ready the leak that acquired the stain first.
Clean the ceiling stain with a bleach solution.
Employ an oil-based undercoat to keep the stain from bleeding through new pigment.
Repaint the ceiling, non just the stain.

Your first priority when you notice a brown stain on the ceiling is fixing the inevitable h2o leak. Then, it'due south time to tackle the lingering ceiling stains.

Earlier attempting to cover h2o stains on ceilings with paint, sand the stained surface area for a smoother end.

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Fixing h2o stains on ceilings

If yous have a h2o stain on the ceiling, you've probably got a leak: a more firsthand problem than ceiling stains. You lot'll need to notice and fix the leak before information technology can cause more serious damage to your home – here'due south a few tips to help yous:

Once the stain has been identified, find the cause of the stain earlier taking futher action.
If the stain gets worse when it rains, information technology's probably a roof leak. Phone a architect.
If it gets worse even in dry out weather, it'south probably a leaking pipage. Phone a plumber.
Check our article on dealing with a ceiling leak for more than tips.

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How to remove water stains from ceilings … without painting

Once the leak has been dealt with, you still have the 'brown stain on ceiling' problem to prepare. These stains don't become abroad on their ain and even if you plan to repaint the ceiling after, you should bleach and clean the area commencement to ensure the all-time end.

Cover the floor below the surface area yous'll be working andput on gloves and goggles. Make sure the room is well ventilated.
Mix one function bleach with 3 parts warm water. If you accept a coloured ceiling, use oxygen bleach rather than chlorine bleach.
Dip a sponge in the mixture and, standing on a stable stool or stepladder,wipe the stain.
Rinse with a second sponge dipped in make clean h2o, thendry the expanse with a tea towel.

If the stain is still visible, leave it to dry completely overnight earlier attempting a cover up.

How to remove water stains from ceilings … with painting

It may be tempting to repaint the ceiling and hope for the best, only water stains will usually start showing through the new layer of paint if they oasis't been treated. This means you'll need to embrace water stains on ceiling with a substance the water won't dissolve.
Endeavour bleaching the stain with the method to a higher place.
If there'south loose or flaking pigment around the stain, remove it with a scraper before bleaching.
Once the stain'due south been bleached and stale, apply an oil-based undercoat over the stain and leave it to dry overnight.
If necessary, pigment a second coat and let that dry out every bit well. This should aid to forbid the stain from peeking through.
Pick up a paint or primer designed specifically for the purpose of covering stains to achieve better coverage. This may say 'stain block' or 'stain sealant' on the packaging. Check beforehand that it'due south designed for use with water stains, and so follow the product's instructions when applying.
When yous've finished treating the stain, repaint the ceiling every bit normal.

If y'all're dealing with h2o stains on other surfaces, such as drinking glass, metal or wood, take a await at our more full general article on how to remove water stains.