Begin by scraping away any cracked flaking or peeling paint.
Best way to sand painted concrete.
Hang plastic sheeting over doorways to keep dust from the rest of the house.
Allow the initial coat of paint to.
Whether you are completing the project by hand or with a machine you will need proper concrete sandpaper.
Use sandpaper and a sanding block to abrade your basement s concrete floor.
Examine the concrete floor to ensure you have removed any paints stains or other coatings.
Mop the surface of the concrete floor with the soapy water to remove any dirt.
It s critical to your overall success.
Apply an even coat of concrete sealer to the floor before resuming the sanding on the wet floor using a medium coarse abrasive in the range of 80 to 120 grit.
From dust and dirt to caked on grime your basement s concrete floor contains layers of debris and possibly layers of paint that needs removing before applying a new layer of paint or coating.
Clean and sand the surface you wish to improve.
Cover furnace vents and electrical outlets.
How to scuff sand concrete.
The sandpaper you choose depends on the quality and intensity of sanding you want to do.
After the first pass go over the floor with a fine or superfine sandpaper disc to finish the surface.
Cleaning the floor with soap and water is not enough.
If you don t use the right sandpaper you will not be able to complete the job.
Normally you d start by using a coarse grit sandpaper that is in the range of 40 60 grit.
4 thoroughly sand the concrete after you have prepared the area it s time to choose your sandpaper.
Clean the area of dust with a broom and dustpan after finishing.
Mix a few drops of dish detergent into a bucket of warm water.
Make sure that the sealer penetrates the floor for as long as instructed by the manufacturer before you resume the operation.
Repeat sanding as necessary until the sanding is complete.