Remove Concrete From Metal Siding

Applying a concrete dissolver is one tactic used to soften old mortar on masonry tools equipment and vehicles.

Remove concrete from metal siding.

Hold the tip about 2 feet from the siding and gradually reduce this distance until the concrete loosens and blows away. For siding that has a porous or faux wood grain spray the affected area liberally with white vinegar to soften the concrete while scrubbing it away with a stiff bristled brush. The paste keeps the splatter from sticking and does not allow the concrete to etch the metal. 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.

Any splatter can then be removed with a water hose making the cleanup extremely easy. Then scrape off the concrete gently with a putty knife. The tip should never point up this orientation allows water to get under the siding and soak the sheathing creating possible mold and rot problems. In addition to aluminum this process can be used for galvanized metals block brick and metal building panels.

Its mild acid and foaming agent also dislodge unwanted concrete deposits from glass metal most plastic painted and wood surfaces. To treat a large amount of concrete spatter these are safer to use than the traditional solution of muriatic acid. Chip away small chunks of concrete from your siding with a putty knife. For areas with a large amount of splatter using a putty knife may not be feasible.

Step 3 keep the wand horizontal or angled downward.