Cleaning Exterior Painted Walls at Exterior

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Cleaning Exterior Painted Walls. For deeply embedded stains—think lipstick and wine—add two tablespoons of ammonia or dishwashing soap to a 3.79l of warm water. Scrub off the chalk with a strong solution of water and spic and span or tsp detergent (or a nonphosphate tsp alternative).

How to Clean Painted Walls Without Stripping the Paint
How to Clean Painted Walls Without Stripping the Paint from earlyexperts.net

The first step to getting your outdoor painted walls clean is to lightly spray down the walls with water. Combine 50 ml (1/4 cup) of trisodium phosphate (tsp) with 4.5 litres (1 gallon) of water for heavy duty cleaning. Do not apply in very damp or humid conditions or extreme temperatures.

How to Clean Painted Walls Without Stripping the Paint

Dish detergent or laundry detergent. Get tough on tougher stains. Method 2 method 2 of 3: Connect a brush attachment to an extension pole, and attach the extension pole to the garden hose.