To avoid these ads, REGISTER NOW!

For those who pressure wash their homes - foam cannon use (easier way of doing this)

pipsters

Well-known member
Joined
Sep 1, 2010
Messages
4,899
Location
USA
Like most "DIY'er" homeowners I see around my neighborhood, I mistakenly thought when you "pressure washed" homes you used a lot of pressure to blow the dirt off. Well, I found out that's actually not really how the pros do it and after watching some guys started doing some research.

The phrase is "soft washing" and it's the "new thing" (as in 15 years ago) that pros do so they don't have to use a ladder to clean the house.

In the past, I had to use a pressure washer on my 2 story house and had to go up and down a ladder, even getting strung out to the point of almost falling, to clean the dirt off. No more. What I found was using a combination of soap and bleach, the mixture sticks to the house and then waiting 10 mins or so, rinses right off with regular hose pressure!

Guys on the auto detailing forums are using this MTM Hydro Foam Cannon to apply foam to their cars. Check youtube for an example. I had the sudden idea, what if I filled the bottle with dish soap and bleach?

I couldn't find an example of anyone using this product on their house, just cars, but I figured I wouldn't lose much by trying.

For those of you who use the soap dispenser on their PW's (and knew to use a mix vs. just blowing off the gunk), you'll know the soap nozzle throws the mixture about 10' at best. Meaning, for 2 story homes with gable ends, you're up 25-30' or so - which means you're on a ladder as well. *****!

With this foam cannon, the only time I had to go up on a ladder (about 8' or so) was when using the regular garden hose sprayer to rinse the soap mix off the home on the peaks. Made doing the house quick, and much safer, and kinda fun to throw all that foam over it. The nozzle has an adjustment, allowing a wide path of soap down low and concentrated stream for the higher points.

For the soap mix, I used:
.
  • Gain Ultra dish detergent - NOT antimicrobial (that contains alcohol and would react with the bleach)
  • Regular "concentrated" Clorox bleach

Mixed about 20 oz of bleach and 3 oz of dish detergent into the bottle, topped off with water, and swished it around to distribute it. In the future, I will remove the 32 oz bottle and get a 15' or so length of tubing, and make up about a gallon at a time so I can do two sides of the house at once.

Some tips:
.
  • In retrospect, I probably used too much bleach. I could've easily cut it down to half or so of the amount I used. I mistakenly thought the spots that required a second application were mold, but it was dirt.
  • Apply the soap mixture at a ratio more tilted toward the water side. In other words, turn the ratio mixture knob down so you don't have completely fluffy white foam coming out. You need a soap mix to drain down the siding and scrub it as it runs down.
  • You most likely will have to do a second application for the really soiled spots. Don't fret, apply a second coat and wait 10-15 mins and the rest should come off.
  • Using the MTM foam cannon, you can actually use an electric pressure washer to clean your house. I'm not sure how far it would throw the mix, but I can't imagine it not working similar to how it did for me.
  • You can use the empty bottle nozzle to apply water to rinse, but I found it saved wear and tear on my pressure washer and additionally was much quieter if I just used the hose. So I just used a nozzle on my garden hose and rinsed with that and shut my PW off. In fact, it took longer to rinse the house than apply the mix.
 

Attachments

  • 2013-11-06_11-31-38_589.jpg
    2013-11-06_11-31-38_589.jpg
    160.4 KB · Views: 452
  • 2013-11-06_12-31-06_175.jpg
    2013-11-06_12-31-06_175.jpg
    67.8 KB · Views: 465
  • 2013-11-06_12-31-11_599.jpg
    2013-11-06_12-31-11_599.jpg
    142.6 KB · Views: 444
  • 2013-11-06_13-02-41_814.jpg
    2013-11-06_13-02-41_814.jpg
    76.6 KB · Views: 421
  • 2013-11-06_13-58-39_156.jpg
    2013-11-06_13-58-39_156.jpg
    57.4 KB · Views: 393
Last edited:
To avoid these ads, REGISTER NOW!

canuckian

Well-known member
Joined
May 7, 2009
Messages
4,103
Location
East coast of Canaaada
I've used a foam cannon on our vehicles for a few years now (they're friggen awesome) but have never thought to use it on the house. May have to give it a whirl. Thanks for the tip!
 

TerryH

Well-known member
Joined
Dec 8, 2012
Messages
2,248
Location
Springdale, AR
Thanks pipsters!!! This looks very cool! I always wash the house and shop every spring. Gonna have to get me one of those cannons.
 

skiingman

Well-known member
Joined
Apr 25, 2010
Messages
280
I need to do this. Can I ghettorig a foam cannon with stuff I have lying around? How about an old miraclegro thing?
 

cburnscrx

Well-known member
Joined
Jan 15, 2013
Messages
1,751
Location
Indianapolis
1. Where the heck was this when I was pressure washing my house. Your timing *****. Could you work on giving really good advice on MY schedule (kidding of course)

2. Thanks for providing the link, it makes it easier for me to spend more money. Dooh

3. Most pressure washers recommend against using bleach. While I am sure it worked, not sure what it did to your pump seals. I might try the foam cannon, but skip the bleach and use house wash.
 

metal1313

Well-known member
Joined
Apr 28, 2009
Messages
3,416
Location
clinton NJ
the bleach does not go through the pump. the foam gun attaches in place of the sprayer head at the end of the wand.

ive been meaning to get one of these, with an extra bottle or two. one for the cars, one for the roof, and one the house. the bottles are pretty cheap
 

garyhgaryh

Well-known member
Joined
Apr 8, 2013
Messages
68
I've been using the foam cannon for my cars for years and never thought about using it for the house. Thanks!!

For cars, what detergent are you using to get a good foam?
Gary
 

mds5951

Well-known member
Joined
Aug 15, 2010
Messages
322
^^^ I use a lot of products from the chemical guys.... Check out their YouTube videos... Lots of great soaps. I use citrus wash and gloss for mine.
 
OP
P

pipsters

Well-known member
Joined
Sep 1, 2010
Messages
4,899
Location
USA
3. Most pressure washers recommend against using bleach. While I am sure it worked, not sure what it did to your pump seals. I might try the foam cannon, but skip the bleach and use house wash.

If you look at the way the injection line is hooked up on pressure washers, you'll see it's actually downstream from the pump. It gets injected on the outlet side. So no bleach is actually going thru the pump even if you use your internal tank.

That being said, the beauty of this nozzle is the bleach is put in the container at the nozzle. No bleach goes through the line or gun itself, just the nozzle. Look at my first picture.

Not using bleach means you won't be getting rid of the mold, which kinda defeats the purpose of using this to wash your house (especially on the north side).
 
To avoid these ads, REGISTER NOW!
OP
P

pipsters

Well-known member
Joined
Sep 1, 2010
Messages
4,899
Location
USA
I need to do this. Can I ghettorig a foam cannon with stuff I have lying around? How about an old miraclegro thing?

I don't think there is any DIY way of making one of these. They use some form of aspirator to agitate the soap. There is another item, that costs $20 on Amazon, that is similar but it holds a lot less soap mixture and from what I read isn't nearly as good as the MTM unit, reading the reviews it appears as though it tends to overuse soap unlike the MTM unit that seems to regulate it better.

If you read the reviews of that thing, people are putting in 4 oz of soap in an 8 oz container and running out of soap mix before they even finish washing their car. I was using 3 oz of soap in a 32 oz container and had enough for roughly 600 sq ft. The $40 savings will quickly get eaten in the cost of soap!

Might be worth a shot for $20 but I am extremely happy with the MTM unit. On a side note the MTM one is made in Italy believe it or not.

I also tried a cheap knock off of the Xjet nozzle, a General Pump Soap Shooter nozzle, but it did not work nearly as well as the MTM cannon. It didn't throw the water more than about 15 ft using my pressure washer. It's being returned.
 
Last edited:

fatfillup

Well-known member
Joined
Jan 17, 2009
Messages
10,315
Location
Finksburg, Md
I would suggest using as little bleach as possible. Bleach is highly corrosive and not something I want any extra of on my house nor in my yard. Yes some is necessary but I have seen guys get carried away and use high concentrations of bleach. The foam cannon probably mixes at about 4 parts water to 1 part soap mix. In the OP's mixture, he is putting a lot of bleach on his house. He did say he thought he used too much. Heavier on the soap and less bleach. I would also recommend using a house washing detergent and not dish soap. Available at your local pressure washer distributor, and yes, I are one:lol_hitti It will clean better without relying so much on the bleach to clean. It will be pricey, but it will be better for the siding.

Also, be careful about shooting up at the siding. You don't want to drive water under the siding. Try to shoot more in an arc so the mixture and rinse water more fall down on the surface. Won't be easy on the high spots. Just be aware that water can get behind your siding.

I give the warning about too much bleach because I believe over time, too much bleach can degrade the finish on the siding and it can go after the screws and nails that hold the house together.

Otherwise, the OP's thread is quite helpful and informative.
 

nit2wn

Well-known member
Joined
May 8, 2011
Messages
909
Location
Centreville,Al.
May have to buy one for next year. I just usually take a pump up sprayer full of outdoor Clorox and spray down 15-20 ft of wall then rinse with high pressure 5-10 minutes later.
 

fatfillup

Well-known member
Joined
Jan 17, 2009
Messages
10,315
Location
Finksburg, Md
Pipsters, you will find a lot of pressure washer pumps and accessories are made in Italy. General Pump, Comet, AR and MTM are all Italian companies. They have been outsourcing some of their consumer grade stuff to China unfortunately to hit price points and quality normally suffers.
 
OP
P

pipsters

Well-known member
Joined
Sep 1, 2010
Messages
4,899
Location
USA
I would suggest using as little bleach as possible. Bleach is highly corrosive and not something I want any extra of on my house nor in my yard. Yes some is necessary but I have seen guys get carried away and use high concentrations of bleach. The foam cannon probably mixes at about 4 parts water to 1 part soap mix. In the OP's mixture, he is putting a lot of bleach on his house. He did say he thought he used too much. Heavier on the soap and less bleach. I would also recommend using a house washing detergent and not dish soap. Available at your local pressure washer distributor, and yes, I are one:lol_hitti It will clean better without relying so much on the bleach to clean. It will be pricey, but it will be better for the siding.

Also, be careful about shooting up at the siding. You don't want to drive water under the siding. Try to shoot more in an arc so the mixture and rinse water more fall down on the surface. Won't be easy on the high spots. Just be aware that water can get behind your siding.

I give the warning about too much bleach because I believe over time, too much bleach can degrade the finish on the siding and it can go after the screws and nails that hold the house together.

Otherwise, the OP's thread is quite helpful and informative.

You are probably close to the ratio of the mix. Like I said I think I used too much, however read my math below.

What I found is that a 1% solution is the "normal" amount pros shoot for.

Using store bleach I guessed at 6% SH with the "Concentrated" bottle, although it could've been around 3%. I put 20 oz of (assumed, no label) 6% in 32 oz of soap/water, diluting it to 3.75%. With a 4:1 ratio when applied I was just under 1% SH hitting the house. Is my math correct? Is that how you guys calculate it out?

Of note, when I did apply it, I could hardly smell the bleach, in fact I didn't really at all. When my neighbors house was done "by pros" you could smell the bleach two homes away. It was awful. I believe I used quite a bit less than the "pros" who did it to my neighbors homes.

I am interested in the special house wash solution. I had about $2 in soap and $3 in bleach wrapped up into this, as it was just a trial run.

This guy, founder of some large pressure washing "institute", is recommending Ultra Gain over any of the commercial stuff because it apparently contains the same type of chemicals in it. Read thru that thread, it's interesting.

http://www.propowerwash.com/board/u...92-The-Best-Liquid-Dishsoap-For-Roof-Cleaning
 
Last edited:
OP
P

pipsters

Well-known member
Joined
Sep 1, 2010
Messages
4,899
Location
USA
May have to buy one for next year. I just usually take a pump up sprayer full of outdoor Clorox and spray down 15-20 ft of wall then rinse with high pressure 5-10 minutes later.

That is what I did that peaked my interest. This unit just makes applying the solution about 10x faster, especially for those of us who have second stories. I wish I had taken a video, you would be amazed how quickly this went up.

It also really fluffs up the soap making it stick quite a bit better than the pump sprayer mix.
 

fatfillup

Well-known member
Joined
Jan 17, 2009
Messages
10,315
Location
Finksburg, Md
Pipster, if you couldn't smell the bleach, you probably were about right. Note, I sell the equipment and really don't concentrate on the house washing market so I don't claim to be an expert in that area though I certainly talk to folks who do clean. I am a bit jaundiced about bleach as I have on customer who uses mega bleach and refers to it as "burning the house clean". He brags about how fast he can get in and out and I know he doesn't have the customers best interest in mind, just his wallet.

I'll check out that thread but I must admit I take contract cleaners advice with a grain of salt cause I have seen lots of bad info given out on equipment and repairs on the net. Not 100% fair on my part I know:lol_hitti

As far as a house washing product, I sell a heavy duty truck wash solution to most of my house cleaners but I have guys that use all kinds of stuff.

My main point was to limit the bleach, if you have a soap that works well, use it.
 

djscotty

Well-known member
Joined
Mar 3, 2014
Messages
126
Found an old thread, does anybody know if this will work for stucco or dashed houses? I am assuming it shouldnt hurt as you are just cleaning but wanted to verify.

I have a stucco house which was painted and now I am stuck. So I figured I would pressure wash the house and then respray a similar color.
 

EOC_Jason

Well-known member
Joined
Jun 25, 2012
Messages
11,388
Location
Bentonville, AR
Found an old thread, does anybody know if this will work for stucco or dashed houses? I am assuming it shouldnt hurt as you are just cleaning but wanted to verify.

I have a stucco house which was painted and now I am stuck. So I figured I would pressure wash the house and then respray a similar color.

I would assume it would be okay, so long as you are using "low pressure" and sticking to using bleach.

When using an actual pressure washer nozzle at high pressure you run the risk of destroying stone / brick. It's better to use low pressure and let chemicals kill the mold and loosen up dirt.
 

craftsman47

Well-known member
Joined
May 8, 2013
Messages
612
Location
NJ
You are probably close to the ratio of the mix. Like I said I think I used too much, however read my math below.

What I found is that a 1% solution is the "normal" amount pros shoot for.

Using store bleach I guessed at 6% SH with the "Concentrated" bottle, although it could've been around 3%. I put 20 oz of (assumed, no label) 6% in 32 oz of soap/water, diluting it to 3.75%. With a 4:1 ratio when applied I was just under 1% SH hitting the house. Is my math correct? Is that how you guys calculate it out?

Of note, when I did apply it, I could hardly smell the bleach, in fact I didn't really at all. When my neighbors house was done "by pros" you could smell the bleach two homes away. It was awful. I believe I used quite a bit less than the "pros" who did it to my neighbors homes.

I am interested in the special house wash solution. I had about $2 in soap and $3 in bleach wrapped up into this, as it was just a trial run.

This guy, founder of some large pressure washing "institute", is recommending Ultra Gain over any of the commercial stuff because it apparently contains the same type of chemicals in it. Read thru that thread, it's interesting.

http://www.propowerwash.com/board/u...92-The-Best-Liquid-Dishsoap-For-Roof-Cleaning

yes....and no.

I seriously doubt the foamer is applying 4 to 1 , but I would like to be dis proven.
 

craftsman47

Well-known member
Joined
May 8, 2013
Messages
612
Location
NJ
probably 10-1 at best.......

if using 6% straight @ 10-1 you get 0.6 to the wall.

thats certainly a good amount and should smell it.

I like the foamers. But the ratios are a mystery.
 
To avoid these ads, REGISTER NOW!
Top Bottom