Remove Concrete From Metal Siding

How to remove dried concrete from vinyl siding.

Remove concrete from metal siding.

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. Dribble the sugar solution onto the concrete spatters or use a rubber spatula to smear it on. While preventing buildup while you work is the best defense you cannot always do so. It s safe for vinyl but your siding may not be 100.

Its mild acid and foaming agent also dislodge unwanted concrete deposits from glass metal most plastic painted and wood surfaces. Test the acid solution before using it. Sakrete concrete mortar dissolver is a safe environmentally friendly liquid alternative to aggressive acid concrete removers. A better alternative is to soak the chunks with a soap solution to lubricate them then gently work a smooth edged flexible metal putty knife behind each one and gently pry it.

It may be helpful to wet the concrete which helps to soften and loosen it from the siding. 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. Applying a concrete dissolver is one tactic used to soften old mortar on masonry tools equipment and vehicles. Wait five minutes for the sugar to soften the concrete.

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. Concrete mortar dissolver can be used to remove dried on cement concrete mortar or stucco from most surfaces. Mix one part acid with three parts water. 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. The only truly effective method is prevention.