wall insulation

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Posted by B. Fowkes (76.23.215.181) on March 16, 2008 at 14:48:55:

I will be striping the sheet rock and 60 yr old wall insulation in a number of rooms in my home. I plan to seal air leaks and install new insulation. I have 2x4 walls so I'm limited on the thickness and R value of insulation I can install (R-15 std pink batts). I am also conserned that the 2x4's themselves conduct heat from the room to the outside in the winter. I saw a 1/4" rolled radiant insulation with a claimed R-4 rating and I'm considering installing that against the exterior sheathing then installig the batts, for a R-20 total, plus radiant heat transfer reduction. Is there anything else that should be done, such as installing a foam board between the studs and new sheetrock?

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Re: wall insulation Frank Cannon 23:20:40 03/16/08 (0)

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: I will be striping the sheet rock and 60 yr old wall insulation in a number of rooms in my home. I plan to seal air leaks and install new insulation. I have 2x4 walls so I'm limited on the thickness and R value of insulation I can install (R-15 std pink batts). I am also conserned that the 2x4's themselves conduct heat from the room to the outside in the winter. I saw a 1/4" rolled radiant insulation with a claimed R-4 rating and I'm considering installing that against the exterior sheathing then installig the batts, for a R-20 total, plus radiant heat transfer reduction. Is there anything else that should be done, such as installing a foam board between the studs and new sheetrock?

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