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Insulation Mystery

I have gutted a 3 story old home in Florida. It has a crawl space (with wood floors on the ground) and the 3rd floor is a unfinished attic (the stairs go up to the attic).

I can't figure out the best way to insulate the interior walls, floor and the attic. A special problem is the attic, because if you look up you just see the interior of the roof.

My guess is that a mix of options might be best (financially and practically). I'm paranoid about closed cell being blown on the underside of the roof because someday it will leak and I won't know it (causing uncontrollable rot).

Can anyone suggest a plan?

Timothy Miller
Re: Insulation Mystery
Timothy Miller

Howdy, The spray foam is $$$$
Are you saying you have no attic or that there is an attic and then of course if standing on the floor, joists, you look up and see the roof.

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