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#1
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Insulating a cavity on an overhang
Hi,
I have a 2 foot overhang on my house that I'm looking to insulate. The overhang is about 12 feet wide and is on 2 x 12 joists spaced at 16 inch centers. It has been stucco'd over the bottom, so I can't easily insulate from the outside. There is an opening on each joist cavity in the basement with about a 6 to 8 inch gap and I was looking at using some sort of expanding spray foam. My question is, are there any diy kits out there that will allow me to get a nozzle into the cavity and fill with foam? Doing this much space won't be cheap, so I would need a bulk kit of some sort. I've googled a bit and only come up with companies that do the job for you. I'm more than capable of doing the job myself. |
#2
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Insulating a cavity on an overhang
Phat Phuq wrote:
Hi, I have a 2 foot overhang on my house that I'm looking to insulate. The overhang is about 12 feet wide and is on 2 x 12 joists spaced at 16 inch centers. It has been stucco'd over the bottom, so I can't easily insulate from the outside. There is an opening on each joist cavity in the basement with about a 6 to 8 inch gap and I was looking at using some sort of expanding spray foam. My question is, are there any diy kits out there that will allow me to get a nozzle into the cavity and fill with foam? Doing this much space won't be cheap, so I would need a bulk kit of some sort. I've googled a bit and only come up with companies that do the job for you. I'm more than capable of doing the job myself. I would suggest blowing in insulation. Foam will not only be more expensive, but trying to do it yourself could end up blowing out the wall. If not carefully done, the foam will expand beyond the space available and something has to give. -- Joseph Meehan Dia duit |
#3
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Insulating a cavity on an overhang
blowing is deffintely the way to go.
Empress2454 #124457 The best Games a href=http://www.gamestotal.com/Multiplayer Online Games/a a href=http://www.gamestotal.com/Strategy Games/abra href=http://uc.gamestotal.com/Unification Wars/a - a href=http://uc.gamestotal.com/Massive Multiplayer Online Games/abra href=http://gc.gamestotal.com/Galactic Conquest/a - a href=http://gc.gamestotal.com/Strategy Games/abra href=http://www.stephenyong.com/runescape.htmRunescape/abra href=http://www.stephenyong.com/kingsofchaos.htmKings of chaos/abr Phat Phuq wrote: Hi, I have a 2 foot overhang on my house that I'm looking to insulate. The overhang is about 12 feet wide and is on 2 x 12 joists spaced at 16 inch centers. It has been stucco'd over the bottom, so I can't easily insulate from the outside. There is an opening on each joist cavity in the basement with about a 6 to 8 inch gap and I was looking at using some sort of expanding spray foam. My question is, are there any diy kits out there that will allow me to get a nozzle into the cavity and fill with foam? Doing this much space won't be cheap, so I would need a bulk kit of some sort. I've googled a bit and only come up with companies that do the job for you. I'm more than capable of doing the job myself. |
#4
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Insulating a cavity on an overhang
I had considered blown insulation, however, I suspect the floor above the
overhang doesn't have much of a vapor barrier above it and I need something that would not only insulate but serve as a vapor barrier. You might be thinking, "well just use a piece of styrospan along the floor," but I have doubts that I could get a 2 foot piece to fit between the joists and seal it properly. I'm still thinking expanding foam and doing the job in stages to minimize any adverse expansion effects. Any suggestions for diy products/vendors? wrote in message oups.com... blowing is deffintely the way to go. Phat Phuq wrote: Hi, I have a 2 foot overhang on my house that I'm looking to insulate. The overhang is about 12 feet wide and is on 2 x 12 joists spaced at 16 inch centers. It has been stucco'd over the bottom, so I can't easily insulate from the outside. There is an opening on each joist cavity in the basement with about a 6 to 8 inch gap and I was looking at using some sort of expanding spray foam. My question is, are there any diy kits out there that will allow me to get a nozzle into the cavity and fill with foam? Doing this much space won't be cheap, so I would need a bulk kit of some sort. I've googled a bit and only come up with companies that do the job for you. I'm more than capable of doing the job myself. |
#5
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Insulating a cavity on an overhang
On Wed, 13 Sep 2006 16:24:57 GMT, "Joseph Meehan"
wrote: Phat Phuq wrote: Hi, I have a 2 foot overhang on my house that I'm looking to insulate. The overhang is about 12 feet wide and is on 2 x 12 joists spaced at 16 inch centers. It has been stucco'd over the bottom, so I can't easily insulate from the outside. There is an opening on each joist cavity in the basement with about a 6 to 8 inch gap and I was looking at using some sort of expanding spray foam. My question is, are there any diy kits out there that will allow me to get a nozzle into the cavity and fill with foam? Doing this much space won't be cheap, so I would need a bulk kit of some sort. I've googled a bit and only come up with companies that do the job for you. I'm more than capable of doing the job myself. I would suggest blowing in insulation. Foam will not only be more expensive, but trying to do it yourself could end up blowing out the wall. If not carefully done, the foam will expand beyond the space available and something has to give. Right, if you use foam, you want NON expanding foam, not expanding foam. If it's sticky-foam, you should be able to spray each cavity half-full, and come back and fill the rest of the way once you know how much it's going to grow. |
#6
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Insulating a cavity on an overhang
Phat Phuq wrote:
I had considered blown insulation, however, I suspect the floor above the overhang doesn't have much of a vapor barrier above it and I need something that would not only insulate but serve as a vapor barrier. You might be thinking, "well just use a piece of styrospan along the floor," but I have doubts that I could get a 2 foot piece to fit between the joists and seal it properly. I'm still thinking expanding foam and doing the job in stages to minimize any adverse expansion effects. Any suggestions for diy products/vendors? If you want a bulk DIY foam thing, I recall a plastics vendor I used to deal with carried something called a "froth pak" that was basically two small tanks (like freon or consumer helium comes in) and a hose and mixer gun assembly. The folks on Mythbusters seems to use the same product from time to time. Presumably some net searching should find better references to the stuff. Pete C. |
#7
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Insulating a cavity on an overhang
My question is, are there any diy kits out there that will allow me to get a nozzle into the cavity and fill with foam? Doing this much space won't be cheap, so I would need a bulk kit of some sort. I've googled a bit and only come up with companies that do the job for you. I'm more than capable of doing the job myself. Yep, try Tiger Foam: http://www.tigerfoam.com/ -- Dennis |
#8
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Insulating a cavity on an overhang
"handi foam" is another brand. DT wrote: My question is, are there any diy kits out there that will allow me to get a nozzle into the cavity and fill with foam? Doing this much space won't be cheap, so I would need a bulk kit of some sort. I've googled a bit and only come up with companies that do the job for you. I'm more than capable of doing the job myself. Yep, try Tiger Foam: http://www.tigerfoam.com/ -- Dennis |
#9
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Insulating a cavity on an overhang
That's what I'm after... Thanks to all...
"marson" wrote in message ups.com... "handi foam" is another brand. DT wrote: My question is, are there any diy kits out there that will allow me to get a nozzle into the cavity and fill with foam? Doing this much space won't be cheap, so I would need a bulk kit of some sort. I've googled a bit and only come up with companies that do the job for you. I'm more than capable of doing the job myself. Yep, try Tiger Foam: http://www.tigerfoam.com/ -- Dennis |
#10
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Insulating a cavity on an overhang
fastenal carries it |
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