How to Treat Stains on Plaster and Drywall

Posted by in Home Improvement Tips, on February 7, 2017

Watch the full episode: Ask This Old House general contractor Tom Silva explains the best way to get rid of water stains on ceilings and walls. Click here to SUBSCRIBE to the official This Old House YouTube channel:
Time: 1-2 hours Cost: $50 Skill Level: Easy Tools: Paint brush
Rubber gloves
Sponge Shopping List:
Water-based paint or acrylic paint Steps: 1. Before treating the stain, locate its source, which may be a water leak. 2. To get rid of any potential mold, stir up a 50/50 mix of bleach and water. 3. Wear rubber gloves and a sponge to wash the stain or carefully spary the mix in a spray bottle. It’s possible the bleach/water mix could remove the stain, but unlikely. The goal here is to kill the mold. 4. Once the bleach mix has dried, use an oil or shellac based primer to cover the stain. It can be a spray can primer or a traditional brush or roll on primer. Spray or brush on one coat.
5. Once the primer has dried, use an acrylic or water-based paint and paint brush to cover the stain. It’s likely the entire ceiling or wall will need a fresh coat to make it match. Follow This Old House and Ask This Old House: Facebook:

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