Pressure Washing Aluminum Siding Before Painting

Power washing can be too harsh for some aluminum siding or other types of exterior.

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 works on wood vinyl aluminum siding and masonry but due to its high pressure we don t recommend it for hardboard siding. It dents easily and the red color is difficult to coordinate with outdoor decor. You ll have to scrape off additional paint anyway so you won t save much time.

Potential of siding damage water injected under siding or dirt remaining on house. It s a big project but a diyer with a true can do attitude can tackle it. I ll admit i hate our aluminum siding. 3 load your pressure washer with 1 gallon of hot water mixed with 1 cup of bleach.

Diluted in water and applied often with a stiff scrub brush it can. It wasn t so long ago that trisodium phosphate tsp was a go to choice for tough cleaning jobs especially on exteriors. Besides the pressure washer can t do a complete scraping job. High pressure causes damage to the siding.

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. I ll show you how to clean aluminum siding and remove that chalky residue easily without power washing. 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.

The most effective way to do this is to use a pressure washer. Challenges with power washing aluminum siding. Don t can your 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. 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. Breathe new life into your aluminum siding by repairing cleaning and painting it. Let s take a closer look at these.

You want the absolute best adhesion surface for your paint.