This also opens up the pores of the concrete so the basement floor paint will bond to the surface.
How to clean basement floor before painting.
The second step is to treat the stains on the unsealed concrete floor of your basement.
For cleaning the unsealed concrete floor of your basement the first step involves sweeping the dust with vacuum cleaner or broom.
See our youtube channel for other how to videos for paint and coating professionals.
There are several ways to get rid of muddy stains from the basement floor.
Prime and paint priming before you paint concrete floors helps ensure that your new look will stick.
Prep the surface step 1.
You can simply use a hand broom for this job or.
Mop the tsp solution onto the entire concrete floor using a sponge mop.
Vacuum the floor really well to make sure you ve removed any dust dirt and debris left over from the grinding and sanding process.
Prepare to mop the concrete with a trisodium phosphate solution tsp.
Clean the basement floor by lightly grinding it or sanding it like we did in the video above.
Next you have to clean the floor surface from dust and grit.