Acid Based Concrete Stains

Acid based concrete stains aren’t new. They’ve been around for many years but were mainly used in commercial applications such as museum floors. In recent years, however, they have become increasingly popular for residential use.

Whether your concrete is old or new, acid based concrete stains can create a refreshing and unique look. It can be used on interior or exterior surfaces including:

Driveways

Patios

Porches

Walkways

Landscape pavers

Retaining Walls

Garage floors

Basement floors

Acid stains are transparent concrete stains. The concrete’s surface textures and characteristics are still visible after staining which adds depth and a somewhat marbled look. But if your concrete has any scars, blemishes, or cracks they will also be apparent which is not necessarily a bad thing.

It adds character and uniqueness. Don’t feel that you need perfect concrete for beautiful staining. Expect to have variations throughout because with acid stains, a completely uniform color is impossible.

Due to inconsistencies in the concrete surface and all the other variables that come into play, no two slabs will ever stain exactly like. This is the biggest benefit of acid staining. Every project is a one of a kind.

If there are cracks, don’t bother fixing them prior to staining. You’ll just make them look worse. Actually, cracks also add character. But if you are bothered by cracks, then you need to fill them with an epoxy crack filler and apply an overlay before acid staining.

If you choose to venture beyond basic staining, you can score the surface to make outlines and patterns. I found that using an angle grinder with a 4 inch masonry grinding blade is fairly easy. Draw your lines with a pencil and then trace over them with a marker because the grinder blows the pencil dust away.

via Acid Based Concrete Stains.

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