Spray Foam Gun

 
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Old 11-14-2010, 07:27 PM   #1
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Spray Foam Gun


Do you use them or just buy the disposable cans for each time you need it?

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Old 11-14-2010, 07:43 PM   #2
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Re: Spray Foam Gun


Gun

Being able to toss it in my backseat on a Friday and reuse it again on a Monday with only a few seconds of cleaning the dried foam from the head is priceless. Buying foam by the case or at least in the big cans will save you $$$-$$$$ a year compared to buying the not really Great Stuff.

Buy a gun with a smooth head at the end where the foam comes out, the ones with the rims that fit the POS plastic tips suck in my opinion.

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Old 11-14-2010, 08:51 PM   #3
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Re: Spray Foam Gun


this is the one i use,just need to keep a can of foam on it all the time,you need to spend about a hundred bucks for a good gun,you don't have to constently clean these things

http://www.energyfederation.org/cons...th/21_1177_439
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Old 11-15-2010, 08:27 AM   #4
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Re: Spray Foam Gun


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Originally Posted by tomstruble View Post
this is the one i use,just need to keep a can of foam on it all the time,you need to spend about a hundred bucks for a good gun,you don't have to constently clean these things

http://www.energyfederation.org/cons...th/21_1177_439
Maybe that's the problem.
I'm using the gun that I posted...costs= $40.00

At the end of each use, I take off the foam cartridge and run almost a whole can of the cleaner through it.
I go to use it the next time and it's clogged & won't work.
I've even left the cans on and I run into the same problem
So now I own 3 guns that don't work.

So.....questions
What do you use to clean the foam once it has dried INSIDE the gun?
Does a more expensive gun work differently ...in what way?

Thanks in advance......
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Old 11-15-2010, 10:52 AM   #5
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Re: Spray Foam Gun


Quote:
So.....questions
What do you use to clean the foam once it has dried INSIDE the gun?
Does a more expensive gun work differently ...in what way?
Nothing you're screwed throw it out.

From what I understand with regular use you almost never have to clean it; just keep a can of foam on it. I've left mine for almost 2 months with a half full can and it still worked perfectly. If your can is spent and you don't have another or your gun isn't working properly then blast half a can of cleaner through it.
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Old 11-15-2010, 11:00 AM   #6
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Re: Spray Foam Gun


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Nothing you're screwed throw it out.


Really?
There's gotta be some outrageous chemical that'll dissolve closed cell foam.....

I'll wait for a second opinion ...but thanks for the advice
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Old 11-15-2010, 04:44 PM   #7
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Re: Spray Foam Gun


gasoline may eventually disolve it,not sure

some guys use heat...like a propane torch and ''burnout'' the foam in the metal parts,ive never done this

the higher quality guns are teflon coated on the inside i think

even if your can is empty always leave it on the gun
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Old 11-15-2010, 07:15 PM   #8
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Re: Spray Foam Gun


I picked up a Hilti foam gun at HD on clearance for $40 and every can of foam and cleaner that they had at .48 cents a piece. I couldn't believe why they would have them for so cheap. Went back next day and they where back at the same price. That was the happiest I have ever left that place!

The gun has been great for over a year. I use to clean it between each can of foam, but haven't run any cleaner through it in probably 6 months. I do the same as everyone else. Make sure there is always a can on it and clean off the tip when it dries.

Totally worth the money for the control over the foam and not worrying about the Great Stuff leaking all over the place while your using it.
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Old 11-15-2010, 07:28 PM   #9
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Re: Spray Foam Gun


we've had similar problems, but we didn't follow the directions.........still learning though. I think the guns are good.

New gun, new can.......use it then turn it off, they say to store it can down, gun up........run the cleaner between cans and always store with an attached can of foam.........don't clean the end with a utility knife.

IMO, the disposables are a huge waste of $$$ unless you can empty it right away. Maybe someone has a trick to re-using disposables.
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Old 11-17-2010, 09:25 AM   #10
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Re: Spray Foam Gun


MEK should dissolve the foam, or Carb cleaner,Berryman's is very good

Last edited by Andrew M.; 11-17-2010 at 09:27 AM.
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Old 11-17-2010, 03:54 PM   #11
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Re: Spray Foam Gun


leave the can on, I use cleaner only if I get some foam on my clothes or to clean out a really good tip extender. I've never seen anything clean dried foam.
typically replace my gun every year, but go through 100 plus cans with it.
found a new supplier that gives a free gun with 3 cases of foam.
(foam gun maintenance video)
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Old 11-18-2010, 07:59 PM   #12
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Re: Spray Foam Gun


Quote:
Originally Posted by tcleve4911 View Post


Really?
There's gotta be some outrageous chemical that'll dissolve closed cell foam.....

I'll wait for a second opinion ...but thanks for the advice
Acetone will dissolve it while it's still wet, if you don't like yellow stains on your hand for a week.

Goof off or other petroleum distillates should dissolve it after it's dry.
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Old 11-19-2010, 05:39 AM   #13
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Re: Spray Foam Gun


get some of your wifes or girlfriends fingernail pollish remover , not the scented stuff though, the good old acetone stuff!
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Old 11-19-2010, 09:00 AM   #14
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Re: Spray Foam Gun


Carb Cleaner is a great one, although it is somewhat tough to get off once the foam is dried. There is also a product called NMP which works incredibly well, but it will eat away and some plastic and most rubber parts, so you must be careful when using it. *** sells NMP, so get a hold of them if you want to try a gallon of it, it is pretty cheap.

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Old 11-22-2010, 11:34 PM   #15
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Re: Spray Foam Gun


I have tried almost every gun on the market and can name the flaw with every one. We go thru a LOT of foam and have found the Hilti guns have the most control and the least issues or problems IF you treat it right.
The one that Tom uses is my second favorite.
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Old 11-23-2010, 08:55 PM   #16
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Re: Spray Foam Gun


laquer thinner will clean it out, when i was subbing for pella we used the $100+ guns and just used laquer thinner to clean them when the tips/barrels would get clogged up from a new guy taking the can off at the end of the day

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