How to Wash Walls Before Painting with TSP

Paint sticks best to clean walls. B-Brite TSP Cleaner is a heavy-duty trisodium phosphate powder that cuts grease and grime, so walls and ceilings are ready for paint.

What you need

  • B-Brite TSP Cleaner (454 g / 1 lb canister)
  • A bucket and warm water
  • A sponge or scrub brush
  • Clean water and a cloth for rinsing
  • Gloves and eye protection

Steps

  1. Mix: dissolve 100 g (3.5 oz) of TSP Cleaner in 4 L (about 1 US gal) of warm water.
  2. Scrub the wall or ceiling with the solution.
  3. Rinse with clean water.
  4. Let it dry completely before painting.

Cleaning brushes

Dissolve 50 g (1.75 oz) in 4 L of warm water. Soak the brushes, then rinse well.

How far one canister goes

One 454 g canister makes up to 45 L (11 US gal) of cleaning solution.

Safety

Caution: irritant. TSP may irritate eyes and skin. Do not get it in eyes, on skin or on clothing. Keep out of reach of children.

First aid: contains trisodium phosphate. If swallowed, call a Poison Control Centre or doctor immediately. Do not induce vomiting. If in eyes, rinse with water for 15 minutes.