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.
How to pressure wash painted wood siding.
The psi required for building materials varies.
Spray with a smooth side to side motion and try to cover the length of a board in a single sweep.
Mix the pressure washer detergent according to manufacturer s instructions in a 5 gallon bucket.
This will prevent water from going up and getting stuck in siding panels which could damage it.
Painted soft grain wood siding stucco and aluminum siding are best treated with 1 200 to 1 500 psi models.
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.
Green and yellow tips are generally best for cleaning wood.
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.
Insert the yellow tip in the pressure washer.
How to use a power washer on wood.
Connect the pressure washer to a water source such as a garden hose.
1st cedar is a relatively soft wood.
At 46 inches in.
Work your way from the bottom of the wall to the top.
Make sure to keep your garden hose aimed downwards.
How to safely clean wood siding on a house 1.
The point of pressure washing your house siding prior to painting is to wash it not to strip the paint.
Choose the proper color coded tip for the machine.
Some machines have a reservoir that you can fill with.
If the siding is at 45º then you should be spraying along the board at 45º.
I can assume there is instant dissent with the title of this story.
Spray your home s wood siding with a garden hose.
Usually water is sufficient for cleaning 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.
Treat heavy mold and mildew with a detergent that contains bleach before you power wash.
Point your pivotpro hit the trigger and start spraying cleansing water against your dirty wood siding.
But there is good reason not to powerwash a wood sided exterior.
Introduce the spray to the wood rather than simply turning on the spray with the spray head pointing directly at the wood.