1st cedar is a relatively soft wood.
Psi for cedar siding.
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For rough sawn cedar you can try to remove the paint using a stiff wire brush being careful not to.
Depending on your washer s psi rating this might mean anywhere from 18 inches to 6 feet away minimum.
For instance the psi value for car cleaning should be less than the psi or pressure needed for cleaning those stubborn floor stains.
A 3000 psi pressure consumer grade gas pressure washer is a perfect match for cleaning and even stripping paint from cedar shake siding.
Under certain conditions pressure washers can cut into concrete and brick so imagine the potential effect on cedar vinyl or even fiber cement siding this inadvertent etching is easy to avoid though if you simply stand well back when aiming your sprayer at the siding.
I would use sodium hydroxide on cedar siding followed by citric or oxalic acid depending on if the rust nailhole bleeding.
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A 1 500 psi unit might indicate a high pressure to a homeowner for cleaning decks and siding.
The best method for washing vinyl siding is by using 1000 1500 psi through a high volume low pressure nozzle.
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This will ensure you don t have to refill as often.
A lot of you seem to think i have a low powered machine i have a honda engine 2800 psi 2 5 gpm which is decent for the price i got it for.
I have stripped cedar homes of their stain using chemicals completely without a pre.
Sh will bleach it instead of returning to it s natural color.
How to pick the perfect medium gas pressure washer 2.
Buzzards bay gray eastern white cedar shingle siding 25 sq.
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.
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Make sure you choose one with a good sized detergent tank.
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Cedar along with all woods should be soft washed.
For cedar siding with a smooth surface scrape the paint and clean the cedar before painting.
2 spraying with a power washer is akin to taking a chisel and chipping gouging into the cedar.
This pressure is more than a.
Combining that with proper cleaning chemicals and top quality technique your result will be amazing.
That is leaving most of the cleaning to be done with chemicals and lightly using a pressure washer or not at all.
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The exact or a range of psi required is what the pressure washer psi chart reveals.