How to Paint Walls With Detergent on Them

Paint will not adhere to walls that have been spotted and stained with detergent. You must remove detergent residue, dirt and grease from walls before painting, or the paint is likely to flake and peel away. A stain-blocking primer will prevent detergent spots from bleeding through the new paint. The key to a successful paint job is in the preparation work.

Protective gloves
Protective goggles
Trisodium phosphate (TSP)
2 buckets
Clean rags
Painter's plastic
Painter's tape
Screwdriver
Primer
Paintbrush
Paint rollers
Paint pan
Paint

Instructions

- 1
  Put on protective gloves and goggles. Dissolve 1/4 cup trisodium phosphate in 2 gallons of hot water. Fill another bucket with hot water for rinsing. Soak a clean rag in the water containing the cleaner. Squeeze excess water from the rag. Wash the walls starting from the top and working to the bottom. Rinse the walls with a clean rag and hot, clear water. Allow the walls to dry.
- 2
  Cover the floor and furniture with painter's plastic. Cover the wood trim around windows and door facings with painter's tape. Remove electrical outlet covers and switch plates from the walls with a screwdriver.
- 3
  Apply a coat of stain-blocking primer to the walls. Cut in the edges of the walls using a paintbrush and roll the primer onto the walls using a paint roller. Allow the primer to dry for the amount of time recommended by the manufacturer. Apply a second coat of primer and allow the walls to dry.
- 4
  Apply a coat of paint to the walls. Cut in the edges of the walls using a paintbrush and roll the paint onto the walls using a paint roller. Allow the paint to dry for the amount of time recommended by the manufacturer. Apply a second coat of paint to the walls. Allow the paint to dry.

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