How to Put Flat Paint on Semi Gloss Paint

Step-by-Step Guide

1. 1

   Step 1: Mix a cup of TSP cleaner into a gallon of warm water.

   Wear rubber gloves if you have sensitive skin.
   
   With your sponge, wipe down your walls with the TSP, then wipe them again with a sponge dipped in clean water.
2. 2

   Step 2: Rough up the gloss on your semi-gloss paint.

   There are two ways to do this.
   
   Sand the entire wall with 100-grit sandpaper.
   
   Use a pole sander.
   
   You do not need to sand to bare wall.
   
   All you need to do is to rough up the shine of the semi-gloss paint.
   
   The other way is to use a paint brush and apply a deglosser (available at most good hardware stores).
   
   You'll spread on a coat of deglosser with your brush and then wipe it off with a clean cloth.
   
   Then rub your wall down with a wet sponge frequently dipped in clean water. ,, Paint with a medium-grade (or better) flat paint. ,
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   Step 3: Wipe walls with a tack cloth after sanding.

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   Step 4: Paint on a coat of good primer

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   Step 5: and allow to dry.

6. 6

   Step 6: skip the primer and paint two coats of medium-grade (or better) flat paint if that is easier or cheap.

Detailed Guide

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