How To Remove Rust Stains From Concrete

 
                         Before                                                                     After

Using a gel acid for etching concrete on a concrete garage floor is an effective surface prep solution. For years contractors and do it yourselfers have been using liquid acid solutions to profile a floor before applying coatings.

The problem with liquid acids is that they are not only dangerous but are ineffective because they over etch the low spots in a floor and under etch the high spots.

A gel acid is rolled on the floor with a 3/8" - 1/2" nap roller and the gel stays where it is applied, it does not flow to low spots.

Gel acids are also excellent for removing rust stains from concrete like in the photo above at the Harborview Marina and Yacht Club in Baltimore Maryland.

Your can find complete information about the gelled acids and their uses by visiting www.etchingconcrete.com

 
                         Before/After

I have written a few updates about how to remove rust stains from concrete, the solution of which has been elusive to mot people, including professionals.

Surface Gel Tek, owned by Tamryn Doolan in Mesa Arizona invented the solution with their gelled technology over 10 years ago. I have used their product HD24 which is 24% acid and their heaviest with excellent results.

Simply, HD24 is rolled on concrete with rust stains, mold or algae and is left to sit for 15 minutes. It fizzes when first rolled on, you can see it working. The acids pull the rust or mold out of the concrete and is contained in the gels. It can easily be washed away or vacuumed in a shop/vac.

The gelled acids also pull acid stain out of concrete. This is part of the Surface Gel Tek artistic "Flattoo" system. Graphics are applied on concrete over a stained floor. The gelled acids are painted on and wiped off after a few minutes. The gelled acids pull the stain out of the floor contained in the gel.

The before/after photo here is at a marina in baltimore who had tried every solution possible. Gelled acids were the only solution that worked. They are ASTM certified and water soluable. For information contact Tamryn at 480-970-4580 or visit www.surfacegeltek.com

 

The photo in the above left shows how to remove rust stains from concrete at a project in Baltimore. This was a 40,000 square foot project at a marina that had 30 years of mold and algae buildup.

This is an issue for a trendous amount of concrete worldwide. It happens in areas that don't get enough sunlight to dry out the surface. Mold and algae builds becoming slippery, especially when wet.

Surface Gel Tek in Mesa Arizona patented and received ASTM (American Society of Testing Methods) cerification on their line of "Gelled Acids" that are the only known effective way to remove rust from concrete. There are other products that claim to work, but not effectively.

I've used their HD 24 which is their most aggressive with 24% acid. I put some on my hand as a test without any issue. So it's safe. However when I rolled it on black, algae covered concrete it started to fizz. Because it's a gel it stays where it's rolled. It doesn't run like a liquid acid.

After about 15 minutes I washed it off and the surface was clean. I had to do it twice due to the excessive amount of algae buildup but it worked.

For information about how to remove rust stains from concrete contact Tamryn Doolan at 480-970-4580 or visit www.surfacegeltek.com

Before/After

This is a global problem. How to remove rust stains from concrete as well as slippery mold and mildew. Concrete is porous and a great place for rust to leave it's mark and where mold and mildew thrive especially in shade. Concrete holds water and if it doesn't dry from the sun will host mold and mildew and get really slippery.

There are a lot of products that claim they can remove rust stains from concrete as well as mold and mildew but they just don't work.

The photos here show a typical example. The concrete actually can turn black. Surface gel Tek based in Mesa Arizona makes "gelled Acids" that work. Surface Gel Tek gelled acids are simply rolled on the surface and left for about 15 minutes. They are water soluable and can be hosed off. The acids release rust, stains and mildew and are captured in the gel.

The strongest in their line is HD 24 which is 24% acid which will not harm your hands. HD 24 is ASTM Certified and not a hazard to the environment. For more information contact Tamryn Doolan of Surface Gel Tek at 48-970-4580.

Surafce Gel Tek of Mesa Arizona manufactures Gelled Acids, the solution to how to remove rust stains from concrete.

Gelled acids are a simple and amazing product for not only removing rust stains from concrete but mold, algae and other contaminents. If your concrete has discolored or even turned almost black, gelled acids will restore your concrete to look new. Then you can apply a sealer and protect your concrete for years.

The process couldn't be easier. Pour your gelled acid into a paint tray and roll on your surface. Let sit for 15 minutes then clean off with water or a wet/dry vacuum. That's it. That's how to remove rust stains off concrete the right way.

The picture above id from a marina in Baltimore that had been searching for a solution to clean their rust stains for years. Mold and algae buildup had almost turned the concrete black.

After trying many methods they discovered Surface Gel Teks HD 24. HD24 is ASTM (American Society of Testing Methods) certified and a non hazardous water solable "Green" product.

You can see the results in the photo above. 40,000 square feet was cleaned like new. If you are wondering to to remove rust stains from concrete visit the Surface Gel Tek website or contact them at 480-970-4580.