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Homeowner Forum / Construction / February 2006Blown insulation question
I need to insulate an older house in NY. Walls and a floor above a carport. I am considering cellulose, glass and foam. Pro's and Con's? Is the lack of a vapor barrier a major problem? Any feedback would be greatly appreciated! TIA Greg > I need to insulate an older house in NY. Walls and a floor above a > carport. [quoted text clipped - 3 lines] > > Any feedback would be greatly appreciated! Keep it away from any downlights. > I need to insulate an older house in NY. Walls and a floor above a > carport. [quoted text clipped - 6 lines] > TIA > Greg I did an enclosed carport exactly as you mentioned. Used the HD blow-in Cocoon Insulation. Had lots of obscure cavities in walls - small spots, oddball widths, etc. (I didn't stud it). Went well, walls and above. Warm. No drafts. No itching! Info at: http://www.cocooninsulation.com Marked spots for blow-in holes while putting up drywall. Also took pics with digital camera before enclosing for reference. Machine was free when you bought xx bags of insulation. Make sure they have the sidewall attachment before starting. I talked to people at Cocoon. They said when you do the sidewalls use 100ft of hose even if it is only 20 ft away. It breaks up the insulation better. >> I need to insulate an older house in NY. Walls and a floor above a >> carport. [quoted text clipped - 21 lines] >Cocoon. They said when you do the sidewalls use 100ft of hose even if it >is only 20 ft away. It breaks up the insulation better. Thanks for the reply. Just for my information. If you put up the drywall, why didn't you put the standard fg batts in at that time? What did you do for a vapor barrier? Thanks Greg >>> I need to insulate an older house in NY. Walls and a floor above a >>> carport. [quoted text clipped - 28 lines] > Thanks > Greg > Thanks for the reply. Just for my information. If you put up the > drywall, why didn't you put the standard fg batts in at that time? As I said, I didn't stud it. It was hacked. No studs were 16 or 24oc. without some interference including other studs and the 4x4s from the carport. Also had 4 windows in it. > What did you do for a vapor barrier? Cocoon said not to use a vapor barrier. Outside was T-111, inside drywall of course. - but - The bottom 6-12" or so of the old carport had brick. They did say that where there was brick, cover that with plastic so there was the brick, plastic, insulation then drywall. I'll never know if this worked out in the long run. Finished redoing house and sold it. In walls, cellulose might settle over time. I injected foam into some walls, and it went pretty well. It is more expensive, but has more R value than cellulose and fg. "Buck Turgidson" <jc_va@hotmail.com> wrote in news:6591d3-qsu.ln1 @turf.coleman.com: > In walls, cellulose might settle over time. I injected foam into some > walls, and it went pretty well. It is more expensive, but has more R > value than cellulose and fg. > In walls, cellulose might settle over time. Cocoon said it would. They say when you blow in sidewalls to put a fill hole a few inches from the top then half way down the wall below it. Fill the bottom hole first until you can hear the machine "bog" a bit telling you that it's full and "packed at that point. Then go to the top and fill till the machine "bogs" again. |
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