Sweep and mop to remove all dust dirt and debris as these will show through the stain and can impact the finished look.
Can sealed concrete be stained.
However you need to make sure the areas you ve acid stained are ph neutral before any type of sealer is applied.
New concrete should be at least four weeks old.
Most concrete sealers used on acid stained concrete are either solvent or water based acrylics.
Remove old acid stain with a concrete stripper if you want a bare base.
How much traffic the surface receives often dictates the amount of ongoing maintenance required.
Curing agents can speed this process but will need to be removed before you stain the concrete.
Rather in between damp.
Concrete stain is a water based product that coats the concrete and becomes a permanent part of the surface.
How to clean sealed concrete floors.
Staining contractors recommend that concrete be allowed to cure for 28 to 30 days before applying stain.
Answer from concrete decor you can seal acid stained concrete with virtually any type of concrete sealer.
By dale keese.
To remove concrete sealer pour on xylene also known as xylol or touline onto the concrete and let sit for 30 seconds or so then scrub with a stiff straw brush.
If your concrete has been sealed you ll need to remove the sealer before staining.
What is concrete stain.
One of the primary reasons concrete is a popular material for constructing floors is that it is durable and low maintenance.
The most important step of how to stain a concrete floor is surface preparation.
Concrete stains are different from acid or etching stains which chemically react with minerals in the concrete to change the color.
You cannot acid stain concrete that has an acrylic sealer or any other type of sealer.
However even inside the house it can be used to construct floors because removing stains and blotches off concrete floors is far easier.
If you haven t neutralized the stained concrete areas you can accomplish that with a solution of baking soda and water.
Typically it is the material of choice for driveways patios and other exterior floors or surfaces.
Because of the difficulty in removing curing agents it is not recommended that you apply these if you plan to stain the slab.
Solvent base sealers tend to over darken concrete stain looking as it does when saturated wet with water.
Begin by removing all items from the floor and cleaning the area thoroughly.
Then use a painter s shield to scrape the sealer into a pile and remove with a square point shovel.
Water base sealers such as clear shield makes the concrete look as it does when damp with water not saturated wet but not dry either.
Remove the sealer with a solvent before attempting to stain the surface.
There are others like epoxies urethanes and polyaspartics but for the most part acrylic based sealers are used to seal acid stained concrete.