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Pressure washing tips?
Posted on 4/19/19 at 5:26 pm
Posted on 4/19/19 at 5:26 pm
Do I need to pre-treat/spray with a bleach solution? Use a brush with bleach solution to loosen? Is it necessary to use an added solution in the pressure washer? I did an online search and found things like this recommended but didn’t know if it was really needed. This is for vinyl siding.
9
Posted on 4/19/19 at 5:45 pm to mouton
Depends on how bad it is but Jomax and/or bleach definitely doesn’t hurt.
I’ve never used a brush I just mix up a detergent in a pump up sprayer and follow behind with the pressure washer
I’ve never used a brush I just mix up a detergent in a pump up sprayer and follow behind with the pressure washer
Posted on 4/19/19 at 5:48 pm to mouton
Try it out with just the pressure washer first. I have done a good bit of pressure washing and have never used any soaps or solutions.
Posted on 4/19/19 at 5:55 pm to mouton
Jomax and bleach in a pump sprayer normally makes it just drip off for me. I wash it with the hose afterwards
Posted on 4/19/19 at 8:50 pm to mouton
Posted on 4/19/19 at 9:17 pm to Hammertime
quote:
Jomax and bleach in a pump sprayer normally makes it just drip off for me. I wash it with the hose afterwards
What he said. I use a pressure washer behind the Jomax/bleach solution in a pump sprayer because I have a large 2 story house. If your house is only 1 story, a regular hose will be good.
Posted on 4/19/19 at 9:24 pm to mouton
I only use Jomax and bleach when I rinse with just the hose, like on the side of the house. When I power wash the deck or cement, I don’t use anything but water. I also picked up one of those disc sprayers from Northern Tools and it works well on cement. I power washed the entire pool deck and back porch today.
This post was edited on 4/19/19 at 9:29 pm
Posted on 4/20/19 at 4:39 am to mouton
Depends on the severity of grime on the siding. I’d start with a small patch on inconspicuous part of the house bleach vs no bleach and see what happens. Remember you can always up the pressure, better to not shoot a hole straight through your vinyl. I did this to a clients house the morning before an open house a few years ago 
Posted on 4/20/19 at 10:14 am to mouton
Jomax with bleach works well on vinyl siding. If it's heavy mildew/grim, Lowes sells a product called 30 seconds. It has a higher concentration of bleach already in it....so the mildew melts away. Do NOT spray vinyl at higher pressures, especially if its old. You are asking for trouble.
Posted on 4/20/19 at 10:22 am to mouton
Do not use barefooted...
Posted on 4/20/19 at 5:09 pm to mouton
99+% of the pros use a dilute liquid pool chlorine solution with a surfactant that makes it stick a little better. Do not use any kind of soap or detergent with phosphates or the mold/mildew will come back much faster and worse.
2 gallons regular laundry bleach
2 gallons water
3-4 tbsp of dawn
Spray on with a pump sprayer, let sit 3-5 minutes and spray it off.
If you have a lot of spiderwebs, you may have to bump it up to 3 gallons bleach to 1 gallon water.
2 gallons regular laundry bleach
2 gallons water
3-4 tbsp of dawn
Spray on with a pump sprayer, let sit 3-5 minutes and spray it off.
If you have a lot of spiderwebs, you may have to bump it up to 3 gallons bleach to 1 gallon water.
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