An existing concrete slab with major cracks or spalling is usually not a good candidate for staining because any patchwork is likely to show right through the stain.
Can you stain an existing concrete floor.
Unlike acid based stain they don t interact with the concrete that you re staining so the color will stay consistent.
Staining concrete can bring new life to a basement floor or outdoor concrete.
Staining is by far the most popular method for enhancing both commercial and residential concrete floors.
And avoid staining spalling concrete.
The stain will turn a darker color wherever the concrete is pitted.
You can apply the stain over worn concrete but don t expect a miracle.
The only true type of concrete staining is acid staining which seeps into the concrete s pores to actually become a part of the concrete surface.
Surface preparation is an important part of how to stain concrete.
You can restain concrete if it s already been stained but it won t be as rich of a color as it may not take in all areas of the concrete.
You ll still be able to see the old appearance through the stain.
Below we will walk you through how to stain old concrete and the differences from how to stain new concrete.
Stains can be applied to both new or existing concrete floors and work equally well with concrete overlays.
For water based stains spray the area in circular motions to avoid pooling on concrete flooring.
Water based stains are generally easier to apply and cleanup is minimal.
Remove any existing concrete sealer before applying a new stain color.
Keep in mind that application of the stain can be hazardous to your health.
You can achieve nearly any color with water based stains.
Stained concrete floor benefits.
On existing concrete keep in mind that stains are intended to enhance rather than disguise the surface.
It is still possible to find a coloring matching solution that does not clash with the previous concrete color.
They will not mask cracks blemishes discoloration or other flaws.
Yes you can acid stain old concrete.
Do not be discouraged if you fell acid stain is not going to work on your current discolored floor.