- Would power washing be safe or should I go with the more time-consuming gentle approach?

I own a 1910 house with clapboard siding that is in need of painting. I've noticed that several similar houses that have been painted in the neighbourhood were first power washed before painting. I am concerned that this method would inject water into the wall cavity. Therefore, I am considering brushing on a TSP solution and gently hosing it after letting it 'sit' for a few moments. In your opinion would power washing be safe or should I go with the more time-consuming gentle approach?

Thanks,

Wade (New Westminster, B.C.)

Dear Wade,

I’d first wash your siding using my Shell Busey’s Home Cleaning Formula. Apply it with a low-pressure garden sprayer and scrub with a patio broom. Rinse with a garden hose (NO power washer please) and allow the siding to dry. Next, apply an exterior acrylic latex (best quality) paint using a polyester or nylon brush. Keep a wet edge as you paint across the walls 1 or 2 rows at a time. Do not apply paint in direct sun light.

It’s just that easy.

Article courtesy of: Shell Busey

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