How To Pressure Wash Painted Wood Siding
The point of pressure washing your house siding prior to painting is to wash it not to strip the paint.
How to pressure wash painted wood siding. If the siding is at 45º then you should be spraying along the board at 45º. 1st cedar is a relatively soft wood. Introduce the spray to the wood rather than simply turning on the spray with the spray head pointing directly at the wood. Whether it is white or red cedar or clapboard or even alaskan yellow cedar it is still wood has longitudinal pores running its length from butt to feathered edge on a shingle as well as on cedar clapboard.
Spray your home s wood siding with a garden hose. Painted soft grain wood siding stucco and aluminum siding are best treated with 1 200 to 1 500 psi models. Work your way from the bottom of the wall to the top. At 46 inches in.
Spray with a smooth side to side motion and try to cover the length of a board in a single sweep. I can assume there is instant dissent with the title of this story. Insert the yellow tip in the pressure washer. Green and yellow tips are generally best for cleaning wood.
Usually water is sufficient for cleaning wood siding. Connect the pressure washer to a water source such as a garden hose. True most pressure washers are powerful enough to take off paint but for best results stripping should be a separate step done with a scraper sander or heat gun after the process of washing. But there is good reason not to powerwash a wood sided exterior.
Choose the proper color coded tip for the machine. Mix the pressure washer detergent according to manufacturer s instructions in a 5 gallon bucket. For delicate stucco it s also best to. Make sure to keep your garden hose aimed downwards.
Now change the pressure washer nozzle to the 25 or 40 degree spray tip and wash away all the detergent while keeping the wand at least 1 foot away from your house siding. Point your pivotpro hit the trigger and start spraying cleansing water against your dirty wood siding. Avoid spraying up into the bottom of the horizontal siding. Apply the soap from the bottom up and rinse it away from the top down.
How to safely clean wood siding on a house 1. Treat heavy mold and mildew with a detergent that contains bleach before you power wash. Be guided by the way the siding is fitted. The psi required for building materials varies.
How to use a power washer on wood.