Removing Chalky Residue From Aluminum Siding
Brick areas that are stained by chalk run down should be scrubbed with a stiff brush and detergent.
Removing chalky residue from aluminum siding. How to remove chalk from aluminum siding step 1. Some exterior paints such as those used on aluminum siding intentionally chalk for self cleaning. A cold water power washer is a machine that hooks up to a garden hose and pressurizes the. Make sure the aluminum siding is still wet from the rinsing step.
If the paint color comes off on your hand the paint is chalking. In order to remove enough of the chalk like substance with a power washer you would need to get close enough to the siding that you run the risk of damaging it. Squeeze out just the excess. Remove chalk by washing or power washing the surface with an appropriate cleaner.
Wipe the surface with the palm of your hand. Clean stubborn oxidation using a slightly stronger mixture of 1 3 cup of laundry detergent 2 3 cup of household. Do not dilute everbrite coatings. Applicator should be completely wet but.
The white chalky film that sits on your brick right next to the aluminum siding is oxidation. Scrub off the chalk with a strong solution of water and spic and span or tsp detergent or a nonphosphate tsp alternative. Dip the applicator completely into the everbrite. This oxidation is often transferred to the brick that surrounds the siding.
Pour a small amount of everbrite into clean dry metal container. With the ryobi chemical sprayer you just pop in a battery and turn it on. Try to clean siding on cool or overcast days or when the sun is not at its brightest during the early morning or. A pressure washer loaded with a gentle cleaning solution should do the trick.
Allow to dry thoroughly. Scrubbing may be necessary. Rinse well with clear water. Getting rid of chalking powder before you paint the powder must go.
Therefore here at textbook painting we have a special cleaning process that we use when painting aluminum siding. Use the sprayer wand to evenly disperse the tsp mixture all over that section of siding. Pressure wash according to proper guidelines and let the solution stay on the wall for up to 15 minutes before removing it. Do not use plastic.
Let the cleanser sit for a couple minutes before scrubbing. Aluminum siding when exposed to air will oxidize and form a white powder like substance on the surface of the siding. Remove this oxidation with the proper chemicals and some hard work and your brick will look as good as new. If some chalk remains after first washing then wash again for complete removal.