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.
Best way to sand painted concrete.
This sandpaper is made using diamond when traditionally sandpaper is made using sand.
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.
Hang plastic sheeting over doorways to keep dust from the rest of the house.
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.
Cover furnace vents and electrical outlets.
Cleaning the floor with soap and water is not enough.
Use sandpaper and a sanding block to abrade your basement s concrete floor.
Mop the surface of the concrete floor with the soapy water to remove any dirt.
Examine the concrete floor to ensure you have removed any paints stains or other coatings.
Now comes the part that may be unfamiliar.
Whether you are completing the project by hand or with a machine you will need proper concrete sandpaper.
Make sure that the sealer penetrates the floor for as long as instructed by the manufacturer before you resume the operation.
Allow the initial coat of paint to.
Begin by scraping away any cracked flaking or peeling paint.
Clean and sand the surface you wish to improve.
It s critical to your overall success.
Mix four parts paint to one part sand then apply.
Normally you d start by using a coarse grit sandpaper that is in the range of 40 60 grit.
How to scuff sand concrete.
After the first pass go over the floor with a fine or superfine sandpaper disc to finish the surface.
4 thoroughly sand the concrete after you have prepared the area it s time to choose your sandpaper.