Paint will not stick to oily concrete so be sure that any grease and oil stains are cleaned as thoroughly as possible.
Etching solution concrete floor.
Remove oil stains using a powerful degreaser such as seal krete oil stain remover.
Use a small stiff brush or paintbrush to get into the corners where.
The concrete etching solution should be spread on a small area of the floor with a long handled brush.
It also neutralizes the ph of new concrete.
Then mix 3 or 4 parts water with 1 part muriatic or hydrochloric acid in a plastic bucket.
They are used to abrade the surface.
For garage floors and other smooth troweled concrete mix gallon of seal.
Seal krete clean n etch is an etching solution used to clean and degrease bare concrete surfaces to improve penetration and adhesion of paint stains or sealants.
If the acid etch mixture is not properly mixed at a 10 solution the solution will be to weak to properly remove concrete latencies or it may be too strong and etch the surface deeper than necessary and soak into the concrete surface and contaminate it with a destructive lingering acidity after floor materials are applied.
The floor should be examined carefully afterward and if the texture still appears smooth the process needs to be repeated until the floor has a sandpaper like quality to it.
Power wash concrete and make sure it is free from dirt dust and debris.
Etching solutions do not clean the concrete.
Clean n etch is biodegradable and safe to use near grass and plants.
After 20 minutes the solution needs to be rinsed off the floor and allowed to dry.
Sweep the floor to remove all debris and dust.