If you want to seal over concrete floors that already have a seal try a polyurethane sealer.
Concrete floor stained before sealed.
We would still advise sealing the concrete but applying a matte wax instead of a glossy one to get the appearance that you desire the benefits especially for floors and exterior concrete in terms of protection and maintenance really can t be overstated.
Various concrete sealers are manufactured for easy application designed.
What type of concrete sealer should i use on my acid stained concrete.
Sealing your concrete floor is relatively inexpensive when you do it yourself.
It is also an excellent topcoat for paints and stains.
Although stain is permanent and won t flake off like paint it penetrates only the top layer of the concrete surface and will eventually wear away as the surface is worn by traffic or weather exposure.
So there really isn t a benefit to not sealing your concrete unless for some reason you want it to have a duller color.
Sealer needs to be applied in dry conditions because it won t adhere to damp concrete.
For indoor concrete floors that won t be exposed to oil or grease use an acrylic sealer which is easy to apply.
Allow new concrete to cure for at least a month before applying stain.
Remove any existing concrete sealer before applying a new stain color.
Acid based stain the color palette is more limited but the stain typically lasts longer than water based so it s the best solution for high traffic areas.
The temperature also needs to stay above 50 f during application and drying time up to three days.
Use a plastic airless sprayer for acid staining.
A water based acrylic concrete sealer works best.
Here are the pros and cons of each.
The sealer should have 20 25 solids this will allow it to breath allow for easier application and give you the color enhancement most people desire.
It also won t fade peel or chip.
The cheapest way to seal a concrete floor.
Acid based stain and water based stain.
Ideal for use on use on previously coated uncoated vertical horizontal interior exterior surfaces such as.
Before applying check the weather.
Pavers concrete mexican tile and unglazed tiles brick aggregate natural.
For interior stained concrete floors.
Metal parts are prone to damage and corrosion.
For water based stains spray the area in circular motions to avoid pooling on concrete flooring.
To seal concrete floors use an epoxy sealer if you want something durable that comes in a variety of colors.
If your concrete is new you ll need to let it cure wait at least one month before applying sealer.