The simple things that you can do in your exterior house 1.
How to clean concrete wall before painting.
Scrub areas of the concrete containing stuck on grime with a stiff nylon brush.
Spray the entire wall with water to rinse off dust and dirt.
Scrub the entire wall briskly with a dry stiff bristled scrub brush or a stiff wire brush.
Things that you need to clean before going to the next step of the cleaning times you have to prepare some stuffs.
Prepare another mop bucket full of warm water.
Mix 2 gallons of hot clean water with 1 2 cup of trisodium phosphate in a mop bucket.
Remove dirt and grease with trisodium phosphate 6 30 per quart concentrate or choose a more earth friendly cleaner like krud kutter s pre paint cleaner 10 for 32 ounces.
For surfaces that have exposure to oil or grime like kitchen walls wash with a solution of water and grease cutting detergent and follow up with clean water to remove any residual cleaning agent.
How to clean concrete walls before painting.
So how to deal with those stuffs.
2 dissolve 1 2 ounce of trisodium phosphate tsp.
Finish by wiping the walls with a damp cloth.
Examine the walls.
Cleaning concrete is a vital first step because the porous surface tends to trap dirt grease and oil.
For surfaces that have exposure to oil or grime like kitchen walls wash with a solution of water and grease cutting detergent and follow up with clean water to remove any residual cleaning agent.
Mop the tsp solution onto the entire concrete floor using a sponge mop.
Stir the solution until the tsp granules fully dissolve.
Cleaning a wall before painting it can be either a quick job or a major effort depending on the condition of the wall itself.
Spray the wall as necessary while cleaning it so the concrete surface remains moist.
Slip on a face mask and safety eyewear to protect your respiratory system and eyes from any harsh dusty residue released into the air by the.