Remove oil stains using a powerful degreaser such as seal krete oil stain remover.
Etching solution concrete floor.
Power wash concrete and make sure it is free from dirt dust and debris.
Use a sprayer or watering can to evenly distribute that acid and let it sit for 2 15 minutes or until it stops bubbling.
Use a small stiff brush or paintbrush to get into the corners where.
After 20 minutes the solution needs to be rinsed off the floor and allowed to dry.
Paint will not stick to oily concrete so be sure that any grease and oil stains are cleaned as thoroughly as possible.
When you acid etch concrete wear long sleeves gloves eye protection and a face mask to protect yourself from stray acid.
They are used to abrade the surface.
For garage floors and other smooth troweled concrete mix gallon of seal.
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.
Then mix 3 or 4 parts water with 1 part muriatic or hydrochloric acid in a plastic bucket.
Don t skip this step if you want a long lasting painted concrete floor.
It also neutralizes the ph of new concrete.
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.
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.
Sweep the floor to remove all debris and dust.