How to clean interior concrete walls step 1.
How to clean concrete walls before painting.
Scrub the entire wall briskly with a dry stiff bristled scrub brush or a stiff wire brush.
But you may not get far.
Cleaning concrete is a vital first step because the porous surface tends to trap dirt grease and oil.
How to clean concrete walls before painting.
1 spray the entire wall with water to rinse off dust and dirt.
So how to deal with those stuffs.
Spray the wall as necessary.
Protect the floor around the walls with plastic sheeting.
How to prep walls for drylok.
You can and should try applying common detergents directly to the tough spots and scrubbing with a bristle not wire brush.
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.
The simple things that you can do in your exterior house 1.
Dust off the walls with a dry rag to remove loose dirt and dust.
A thorough cleaning with a concrete safe cleanser lightens stains and usually removes them completely.
This will catch any drips from the cleaning solution.
Examine the walls.
For oil based paint a medium grit sandpaper 100 to 150 grit should be used.
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.
Mop the tsp solution onto the entire concrete floor using a sponge mop.
Prepare to mop the concrete with a trisodium phosphate solution tsp.
I once tried cleaning a concrete garage.
For previously painted water based paint sand with a fine grit sandpaper.
Things that you need to clean before going to the next step of the cleaning times you have to prepare some stuffs.
Again wipe away any debris and allow to dry completely.