Pressure Washing Aluminum Siding Before Painting

Power washing is the go to tool for the majority of homeowners and cleaning service providers but it presents a few challenges.

Pressure washing aluminum siding before painting.

High pressure causes damage to the siding. The most effective way to do this is to use a pressure washer. Challenges with power washing aluminum siding. There are ways to safely clean your house before painting using a pressure washer including using lower psi pressure washers widening the spray and standing at least two feet back.

Alternatively if the test stick changes color consult with a professional before pressure washing your house. I ll admit i hate our aluminum siding. Don t can your aluminum siding. You want the absolute best adhesion surface for your paint.

But realistically it is very difficult and time consuming to wash an entire house by hand and a pressure washer can do an adequate job in a manner that is much much easier. I ll show you how to clean aluminum siding and remove that chalky residue easily without power washing. Besides the pressure washer can t do a complete scraping job. It wasn t so long ago that trisodium phosphate tsp was a go to choice for tough cleaning jobs especially on exteriors.

Pressure washing works on wood vinyl aluminum siding and masonry but due to its high pressure we don t recommend it for hardboard siding. Read this before you power wash your aluminum siding. Let s take a closer look at these. The same holds true of washing your house s siding before painting the very best results will be achieved by hand washing with soap water and brushes.

You ll have to scrape off additional paint anyway so you won t save much time. Power washing can be too harsh for some aluminum siding or other types of exterior. 3 load your pressure washer with 1 gallon of hot water mixed with 1 cup of bleach. It dents easily and the red color is difficult to coordinate with outdoor decor.

House siding collects a fine film of chalk and dirt and even if you can t see it it s important to remove it before you paint. Deep clean siding once per year spot treat small issues before they grow and try pressure washing the siding often for the best results. Whether performing regular maintenance or a full on home improvement project scrubbing aluminum siding regularly is ideal. It s a big project but a diyer with a true can do attitude can tackle it.

Potential of siding damage water injected under siding or dirt remaining on house.