How do you etch concrete without acid?

Published by Charlie Davidson on

How do you etch concrete without acid?

If you want to avoid acid altogether, then another product that works well as an alternative to acid etching your garage floor is a product called Eco-Etch Pro. It is a plant based, biodegradable product that will not harm plant life, is non-corrosive, will not burn your skin, and neutralizes with water.

Is etching concrete necessary?

Etching is a crucial step in preparing concrete for painting. It gives the surface tooth to adhere to, so your paint is more likely to stick for a long time. Most concrete paints require etching and if they don’t, do it anyway. Don’t skip this step if you want a long-lasting painted concrete floor.

Is etching bad for concrete?

Acid Etching Can Damage the Slab The chemical reaction that occurs when an acid solution is applied to concrete is difficult to accurately predict and control. When applied to the surface, over-etching can easily occur, often making the surface more porous.

How do you use eco-etch pro?

Unlike conventional acids, Eco-Etch neutralizes immediately when in contact with water. Apply full strength liberally with a pump sprayer at about 200 sq. ft. per gallon.

What happens if you don’t etch concrete before epoxy?

New concrete must be etched before applying the epoxy. The smooth surface of unaltered concrete won’t bind with other materials, such as epoxy or paint. As a result, epoxy will peel and lift away, failing to adhere to the surface.

Does vinegar etch concrete?

Etching – Vinegar’s ability to dissolve CaCO3 will dull your marble, travertine, concrete and terrazzo surfaces. It may “clean” the surface but it is also dissolving pits into the finish and effectively dulling it. This will affect marble, travertine, concrete and concrete terrazzo surfaces.

What happens if you don’t etch concrete before painting?

If you choose to skip the etching step before applying the paint, the paint may bubble up, peel or flake off the concrete, especially on smoothly finished surfaces, leaving the surface more unsightly than before you painted.

What should concrete look like after etching?

After etching, the surface of the concrete should have a uniform texture like that of sandpaper. Repeat the etching process on any smooth spots.

How soon can you paint after etching concrete?

Sealers range from 24 to 72 hours as a general rule, while epoxy paint applications to the etched areas of the concrete can take up to 10 days to dry in humid conditions.

Can you use muriatic acid to etch concrete?

Muriatic acid is the type of acid that is typically used for etching concrete. It can be highly toxic so we recommend using the Hydro-Etch 1000, a specialized muriatic acid and phosphoric acid blend which has less fumes than regular muriatic acid and is used to clean concrete, brighten concrete and etch concrete.

Do I need to acid etch new concrete before epoxy?

The short answer is: Yes, even new concrete needs to be etched before applying epoxy or a similar type of garage floor coating. Etching is part of the concrete preparation process. Also known as concrete surface profiling (CSP), the process of acid etching opens the pores of the concrete and creates a rougher surface.

Does white vinegar etch concrete?

Categories: Contributing