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insulation questions
Hi,
I have posted before my insulation in attic question....I am now at the next stage. i have removed all the critter soaked old insulation out of my century home (105 years) and now have to re-insulate. How is the question. After taking out the insulation, the floor of the attic is plaster and lathe. Not in good shape in some places...fine in others. I am located in Ontario, Canada, north or Toronto. Very cold winters! I have differing opinions between the blown in vs. batts. Vapor barrier or not. I do not want to tear down the existing plaster that is the ceiling of the top floor/floor of the attic. I talked to Home Depot regarding using batts. You can no longer get batts that have the paper siding that acts as a vapour barrier. I do not want to have to put plastic down between every joist if at all possible. The home depot "guy" said, all I have to do is lay the batts down between the joists (R20)then lay more batts the opposite direction (again R20) for a total of R40, then put ?mil plastic over top, stapling to the joists. I would think that this would cause condensation between the plastic and the ceiling/floor of the attic. He insisted that this is how it is done. I would have thought that the plastic would have to go down first, followed by batts. I would rather avoid having to do this, since I am doing the job myself, winter is fast approaching and the prospect of taking on such a job (the plastic) on my own.....makes me want to run and play in traffic. I don't want to accept what he is saying just because it is what I want to hear..... My question is...is he right? Batts on top of the plaster and lathe, then plastic? Would blown in insulation be best? I would appreciate some advice...asap...since winter is fast approaching... thanks in advance for any advice. btw, pics of attic are here...http://www.maddawg.net/house/ regards janet |
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