A smooth concrete floor must be roughened before paint will stick to it.
Difference between muriatic acide and etching acid for concrete floor.
For many years it was a standard method of concrete preparation used by nearly all industrial commercial and institutional floor coating installers depending on the floor size and system to be installed.
Protection of metal while acid etching concrete floor september 24 2014 this entry appended to this thread by editor in lieu of spawning a duplicative thread.
Acid etching requires the use of strong chemicals.
Acid etching is the process of applying hydrochloric muriatic or buffered phosphoric acid to a slab then rinsing it off with water.
Some homeowners shy away from acid etching of their concrete floors for fear of the harmful effects of using and handling muriatic acid the main component of acid etch flooring.
It also reduces the surface alkalinity of the concrete that can cause some paints to adhere poorly.
How does acid etching concrete work.
Acid etching a garage floor is a great solution for those who are installing the floor themselves and do not have access to industrial grinders.
The good thing is that there are safer alternatives that are just as effective available in the market today.
Muriatic acid acts like liquid sandpaper by roughening the surface of the concrete.
A guide to the acid etching of concrete by w a.
The following is a guide to procedures required to properly prepare concrete for the application of thin film coating systems by acid etching.
Used improperly these chemicals can result in severe injury.
I have a small backyard workshop constructed of foam sandwich panel sip essentially 100mm of foam filled between two sheets of painted steel 0 6mm thick.
Muriactic acid is one of the most dangerous chemicals you can buy for home use and it can damage nearly everything it touches.
These sorts of products give the concrete a professional looking sheen and also resist water grease oil and other common spills making the floor easy to maintain.
Muriatic acid is the most common etching acid for this purpose.
After diluting the acid is spread across the entire floor with a sprayer and allowed to sit for 2 15 minutes.
However for larger commercial jobs older concrete or worn floors we always recommend grinding before epoxy installation.
You roughen such a floor by etching it with muriatic acid.
