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Old 01-04-2009, 05:11 PM   #1
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spray foam insulation


anyone here ever try the spray foam insulation kits they sell that you install yourself? I'm renovating my own house and want to do spray foam throughout, and was thinking of going with open cell everywhere because its a lot cheaper to have done than the closed, and is a little more in my budget and I believe would still be 100X better than fiberglass in my 1920 farm house (gaps/voids galore). I didnt multiply out how many board feet the kits cover and compare it to the installation numbers I got, but is it worth doing the closed cell yourself over the man doing the open?
4 inch thick walls, 8 inch deep floor joists on 1st floor, and 6 inch deep ceiling joists on 2nd floor. Maybe closed cell in walls open in floor/ceiling? Anyone know if they sell a do it yourself open cell kit?
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Old 01-04-2009, 05:22 PM   #2
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I have seen DIY kits on the market and that bothers me. Knowing what is correct for a specific area and how to install it is what you pay a pro for. There are secrets that a DIY can't possibly know, but if you screw it up, you will be mad at everyone but yourself. Let a pro do it.
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Old 01-04-2009, 05:42 PM   #3
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I have a neighbor who is an energy star rep and he does in home consultations and he's told me its the ideal insulation for my home, he's the one who suggested doing open cell throughout when my eyes got wide when he told me his guys could do it for 1.30 board foot. I dont doubt I could handle doing it if I could get the material to do so, and knowing those kits arent just garbage that are going to just clog up and not work after spending $650+ per kit or what ever. I am on a limited budget somewhat, so what I save in one place I can spend on better kitchen cabinets, not holding off on the deck out back, building the garage, ect ect.
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Old 01-04-2009, 05:45 PM   #4
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As with just about anything that requires skill, is by the time you get through the learning curve there will be a lot of waste and mistakes. You're not going to be saving money in the end. I've used the kits and the application is tricky.
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Old 01-04-2009, 05:56 PM   #5
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I just multiplied out what you get from the kits board ft wise and it ends up being over $1 per board ft with the kit, and I think its around $1.15-1.30 bf around here installed, your right not much savings.
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Old 01-04-2009, 05:57 PM   #6
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just out of curiosity rusty, what was tricky about the application, the guys in the video's make it look easy I guess
I'm sure its like anything else do it often and it does look easy
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Old 01-04-2009, 06:26 PM   #7
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I looked at the kits also,,,wished I COULD afford them,guess I cant,,,whats the next best option?? Anybody know how much foam is in a SMALL can of great stuff?(just to compare). It seems there is more there than the kits per buck. Sometimes those cans can be bought pretty cheap!! ONE board foot isnt very big area!!!
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Old 01-04-2009, 07:01 PM   #8
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Originally Posted by mikeybobo View Post
just out of curiosity rusty, what was tricky about the application, the guys in the video's make it look easy I guess
I'm sure its like anything else do it often and it does look easy
Controlling the gun angle, speed, distance, etc.. unless you're familar with spray techniques there's going to be uneveness and resulting waste (overflow of stud cavity that has to get trimmed off).
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Old 01-04-2009, 11:39 PM   #9
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Originally Posted by mikeybobo View Post
anyone here ever try the spray foam insulation kits they sell that you install yourself? I'm renovating my own house and want to do spray foam throughout, and was thinking of going with open cell everywhere because its a lot cheaper to have done than the closed, and is a little more in my budget and I believe would still be 100X better than fiberglass in my 1920 farm house (gaps/voids galore). I didnt multiply out how many board feet the kits cover and compare it to the installation numbers I got, but is it worth doing the closed cell yourself over the man doing the open?
4 inch thick walls, 8 inch deep floor joists on 1st floor, and 6 inch deep ceiling joists on 2nd floor. Maybe closed cell in walls open in floor/ceiling? Anyone know if they sell a do it yourself open cell kit?
Hi Mikey...considering the size of your space, it might be better to allow a pro to do the job...it being your first time, it may be a steep learning curve,,,,good luck
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Old 01-05-2009, 12:02 AM   #10
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spray foam insulation


there are 1 part foams the ones you see in the little cans
that are used for gap filling and 2 part that are used for spraying
the pros use a hot box and heated hoses that are very expensive
1.30 a board ft sounds very reasonable
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Old 06-19-2010, 02:34 PM   #11
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In my mind the kits are probably best were you want to do it slowly (assuming the hoses don't get clogged each time you stop), like working on a home you live in, 1 room at a time.
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Old 06-19-2010, 04:04 PM   #12
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Originally Posted by ben@kitfoam.com View Post
The hose sets we sell are not likely to get clogged even if you wait a few days. As as you replace the tips and clean the gun, you should be fine.

Just in case, you can always just buy an extra hose set.
How much are the extra hose set going for these days?
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