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Pressure Washing Vinyl Siding

Old 05-31-2010, 11:05 AM
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Default Pressure Washing Vinyl Siding

Looking to purchase a new pressure washer to clean the vinyl on the camp. Any recommendations on the the highest PSI to go with, without destroying the vinyl. Usually use the Jomax/bleach combo and then use an electric 1750 psi, but I let it get to bad this year(spider crap). Home Depot has a Rigid 3000psi w/a Cat pump for about 600.00. Is this overkill for vinyl?
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Old 05-31-2010, 11:15 AM
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Rent a commercial one for a few hours. The amount of water flow is a lot better with those than with a big box washer's.
Chances are that a boat brush on a painter's extension pole will be needed to get crud off. I never found a pressure washer able to get dirt stains off.
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Old 05-31-2010, 11:50 AM
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Originally Posted by bamaboy473 View Post
Rent a commercial one for a few hours. The amount of water flow is a lot better with those than with a big box washer's.
Chances are that a boat brush on a painter's extension pole will be needed to get crud off. I never found a pressure washer able to get dirt stains off.
Few hours aren't going to be enough! Camp is 2800sqft and 100% vinyl. I'm looking at the entire weekend and I am about an hour from the nearest rental. Should reword the original post. I am going to buy a bigger pressure washer, but dont want to purchase one too strong. I can always use it elswhere.
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Old 05-31-2010, 12:27 PM
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When you're done cleaning it get a pump-up sprayer and coat the vinyl with Wet and Forget. It'll keep the mold and mildew off for a year or two. Or spray it on over the gunk now and watch it disappear after a week or two.
http://www.wetandforget.com/
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Old 05-31-2010, 12:48 PM
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Most pressure washers have a pressure regulator on them. Just buy one that has one, and always buy one that's higher pressure than needed, can always turn something down rather than trying to get more than what shes built for. I do residential and commercial painting etc and all my equipment is way more than what I need, but I like over kill just in case I ever need it I have it. Just buy once is my motto!!
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Old 05-31-2010, 12:59 PM
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3000 psi is more than you will need. Ours is 2500 and with a little purple stuff sprayed on and a brush to rub it in, rinse it off. our house is jut over 2100 sqft with high ends. It takes me about a 8 hrs to clean it.
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Old 05-31-2010, 01:33 PM
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GPM is what's most important, not PSI. A syringe has a Lot of psi, but minimal liquid movement. A fire hose has less psi, but a Lot of GPM.

If you have a good amount of GPM, then you can use the wider wand tips and make the job go faster.
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Old 05-31-2010, 01:54 PM
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Get 12% bleach not the crap in he stores. Go to pool supply. Mix 2 gal bleach, dash of Dawn dish soap and rest water. Downstram onto siding let dwell 10minutes rinse off. 2500 PSI is plenty.
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Old 05-31-2010, 01:59 PM
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You DO NOT NEED A PRESSURE WASHER FOR Vinyl, all you need is a 2 gallon or so pump up sprayer and mix 4-1 water/bleach and spray it on and then use your water hose to wash the house down. Do a section at the time and if the mildew is real bad just mix bleach a little stronger and let it sit.

TRUST ME THIS WORKS FINE, however the pressure washer will make rinsing the house down easier and you can get by without a ladder if you know how to use the tips properly
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Old 05-31-2010, 06:39 PM
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I own a pressure washing / property mainenance company. A 2500 psi @ 3 gal a minute will do fine. You can purchase a long extention pole to reach the high areas. Use a 20% chlorine to water solution, if you get a pressure washer with a chemical injector it will make the job faster, just put the hose from the chemical injector in a jug of chlorine and soak the whole house using a black tip. Then go back with the pressure washer and clean top to bottom using a green or white tip. If your machine does not have an injector then use a pump garden sprayer, it will just take longer. A 2800 sq ft vinyl siding house only takes about an hr to clean including set up and clean up. If you take more than 2 hours you are doing something wrong. Factor in the cost of the machine, chemicals, gas, supplies and a couple hours of your time and it may be more reasonable to hire a professional to do it for probably around $150
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Old 06-01-2010, 04:36 AM
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Northern tools has some decent pressure washers, better then the stuff at the box stores. They also sell all the accessories...
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Old 06-01-2010, 04:57 AM
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I bought a 3000 psi, 8.75 hp power washer at sears for a lot less than $600

http://www.sears.com/shc/s/p_10153_1...1&blockType=G1
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Old 06-03-2010, 12:53 AM
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Originally Posted by tprice View Post
You DO NOT NEED A PRESSURE WASHER FOR Vinyl, all you need is a 2 gallon or so pump up sprayer and mix 4-1 water/bleach and spray it on and then use your water hose to wash the house down. Do a section at the time and if the mildew is real bad just mix bleach a little stronger and let it sit.

TRUST ME THIS WORKS FINE, however the pressure washer will make rinsing the house down easier and you can get by without a ladder if you know how to use the tips properly
I agree.

I have just cleaned vinyl siding for the first time. I used a pump sprayer with a solution of water and simple green. Sprayed the vinyl down with the pump sprayer then used a brush on an extension handle to clean. Used a normal garden hose to rinse. Worked perfect.

Personally, I would be concerned using a pressure washer that water would be forced into places you don't want it to go.
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Old 06-03-2010, 04:38 AM
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I have the Rigid 3000psi pressure washer from Home Depot. Not sure what you mean by Cat pump but I paid $400. It is a great machine for any surface. I use it to strip my decks before restaining and also on vinyl siding. Naturally, you can regulate the intensity by adjusting the distance to the surface you are spraying. Takes mildew off siding without using any bleach or detergents.
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Old 06-03-2010, 07:05 AM
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Originally Posted by pjitty View Post
Northern tools has some decent pressure washers, better then the stuff at the box stores. They also sell all the accessories...
+1

The 4,000 psi 3.5 gpm pressure washer I bought from Northern Tool is fantastic!

The output has improved w/ usage. It started out at 4,000 psi and has crept up to 4,300 psi after it broke in.

It really beats the toys available from the chain building stores.

The Cat pump has a regulator to adjust the output pressure, if required.
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Old 06-03-2010, 09:39 AM
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Want to wash from the ground? Look into an x-jet. Takes 30-45 minutes to wash an entire house.
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