Remove Concrete From Metal Siding

Wait five minutes for the sugar to soften the concrete.

Remove concrete from metal siding. The only truly effective method is prevention. The etching effect of concrete on aluminum happens only when the concrete is green so if you wait several days before removing the splatter it may be too late for optimum results. Pour some sugar in a small bowl and add enough water to make a thin paste. How to remove concrete spatter from aluminum.

Mix one part acid with three parts water. Dribble the sugar solution onto the concrete spatters or use a rubber spatula to smear it on. Its mild acid and foaming agent also dislodge unwanted concrete deposits from glass metal most plastic painted and wood surfaces. Then scrape off the concrete gently with a putty knife.

However there are various products all phosphoric acid based that will do a good job of removing old concrete stains. It may be helpful to wet the concrete which helps to soften and loosen it from the siding. While preventing buildup while you work is the best defense you cannot always do so. You can tap them with a cold chisel and hammer to remove them from concrete brick or metal but that strategy is too drastic for removal from vinyl or glass.

Put on goggles and rubber gloves to protect yourself from the corrosive effects of muriatic acid. Sakrete concrete mortar dissolver is a safe environmentally friendly liquid alternative to aggressive acid concrete removers. It s safe for vinyl but your siding may not be 100. Test the acid solution before using it.

Concrete mortar dissolver can be used to remove dried on cement concrete mortar or stucco from most surfaces. If water alone doesn t work try using a spray bottle full of water with a few drops of dish soap to wet the concrete.