50yr old attic insulation - What to do?


Old 05-29-07, 04:08 AM
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Join Date: May 2007
Posts: 1
Question 50yr old attic insulation - What to do?

I just bought a house in Greenville, SC that has 50 year old 'spray in' insulation. I work with the previous owner and he calls it 'rat hair'. It's nasty stuff.

Anyway, I would like to get my attic insulation up to par. What are the professional's recommendations? Suck out the old and roll in batt? Roll in batt on top of the old?
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Old 05-29-07, 06:44 PM
Join Date: Mar 2007
Location: New Hampshire
Posts: 450
Don't use fiberglass. If you want to reinsulate, go with blown in cellulose. It has a higher R-value than fiberglass and it will make a much more air tight seal than fiberglass will ever be able to do. And its extremly flame resistant so don't worry about it burning. I don't know exactly what you have in there now so its your choice if you wish to remove the old stuff(might want to have someone come check to see what it is).

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