Which is better acid or water based concrete stain?
Acid stains actually change the color of the concrete by permanently staining it. They’re very durable and great for outdoor use. On the other hand, water based concrete stains act more like a paint. They sit closer to the surface and don’t permanently change the concrete’s color.
Is it expensive to acid stain concrete?
Acid Stain Concrete Cost Acid-based stains are also referred to as “reactive stains” and cost around $6 per square foot for a basic design.
What acid will stain concrete?
hydrochloric acid
Acid staining is a finishing technique for concrete that mixes water, hydrochloric acid, and acid-soluble metallic salts. This mixture penetrates and chemically reacts with the hydrated lime in the concrete. The stain lightly etches the concrete surface, which allows the metallic salts to penetrate easier.
Can you Restain concrete floors a different color?
To change the color, we’re covering the two most common solutions here: You can re-stain the floors (by applying a new penetrating sealant) or paint them (by applying an industrial coating).
What stains concrete permanently?
Acid-based concrete stains are made up of inorganic metallic salts dissolved in an acid and water solution. They penetrate into the surface and react chemically with the concrete to form a permanent bond.
How long does concrete acid stain last?
With stained concrete, the concrete itself will last for many years, potentially over 100 years. However, in order for the stain to last, the floors will need to be sealed or waxed once or twice per year.
How long can you leave acid stain on concrete?
5 to 24 hours
Allow the acid stain to penetrate the entire concrete surface and fully develop its color for from 5 to 24 hours (check manufacturer’s instructions for exact timing). The longer you leave the acid stain on, the deeper the final hue will be.