How to remove a water stain

j

by Ryan Jenkins

}

11.09.2021

82 / 100

Learn how to remove a water stain

If you had a water leak come through your ceiling or walls you may find it has left a yellowish stain behind. If you just keep applying standard matt emulsion over the stain it will keep breaking through. This post will show you how to stop the water stain coming through the paint.

Before you can do anything the leak must be fixed and left to dry out – this could take 2 weeks so allow plenty of ventilation and heat.

Move belongings clear and lay a dust sheet down. Remove any loose debris and lightly sand the area with 120G sandpaper.

Using a stain block such as Zinsser B-I-N, apply 1 – 2 coats of this just over the stained area. This only takes 20 minutes to dry so you won’t have to long to wait.

Give the stain block a very light sand again. Apply matt emulsion to cover just the stain block – this is called spotting in. If you find the stain still bleeding through the matt emulsion either ‘you missed a bit’ with the stain block or the leak has not had enough time to dry out. If so leave it to dry out for longer.

If your water damage has made the filler come loose and left holes in areas, these imperfections will need to be filled with a product such as Easifiller. Use a filler knife to apply the filler flush to the holes. If the hole is deep and wide you may need to apply 2 coats of filler, with the 1st coat flush and the 2nd coat slight proud of the surface ready for sanding.

Once the filler has dried, sand it down with 120G sandpaper so it is smooth to the surface, quickly dust off and apply the 1st coat of paint to the whole ceiling or wall.

Once you have applied a 2nd coat of paint to the area you should be free of stains.

If your ceiling or wall has been damaged to the point that you had to remove the plaster board or lathe plaster you may find the blog about fixing a cracked lath and plaster ceiling interesting.

Water stain on a ceiling

Subscribe

* indicates required

Featured

Related Posts

Need Help?

Get In Touch

Follow Us
  • Facebook
  • Instagram
  • LinkedIn
  • Houzz
  • Yell
  • Cylex

About the Author

Revolution Finish logo

Ryan Jenkins

Ryan is the owner of Revolution Finish and a City & Guilds qualified professional painter and decorator with over 7 years’ experience in the painting and decorating industry.
Revolution Finish white logo

READ Our Other POSTS

How to paint a wall like a professional painter & decorator

How to paint a wall like a professional painter & decorator

Learn how to paint a wall like a professional painter and decorator Tools you’ll need: 2 inch synthetic brush Paint kettle 9 inch roller 9 inch roller cage Roller tray Stir stick For better results include: Mini roller and mini long roller handle Roller pole...

How to prepare a room for decorating

How to prepare a room for decorating

Learn how to prepare a room and your walls like a professional painter and decorator PREPARATION! Preparation is the most important stage of decorating. 90% of decorating is in the preparation, get this right and the painting will be the easy part. A professional...

How to get your room ready for decorating.

How to get your room ready for decorating.

Learn how to get your room ready for decorating with tips from a professional decorator. Where do you start when you are trying to get your room ready to decorate? This post is a guide on how to prepare your room ready for decorating based on a professional painter...