Enclosed Porch Needs Insulation - Remodeling - DIY Chatroom Home Improvement Forum

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Old 01-12-2008, 08:14 PM   #1
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Enclosed Porch needs insulation

My 1800s farmhouse has an enclosed porch that I am remodeling

I have: 1) removed all the crown molding; 2) pulled down the fiberboard ceiling; 3) removed a layer of roofing paper (that was conveniently holding the moisture from 2nd story bathroom against the tongue and groove ceiling); 4) removed the T&G 'porch' ceiling; 5) removed old 'rock wool' insulation; and 6) removed the abjectly frightening K&T wiring.

I am now contemplating insulating the space before I re-wire and put up drywall ceiling.

Here are my parameters (I seem to like lists today, so I'll stick with it): 1) this is an attached porch with no venting - and I am not planning on venting (I am loath to cut a hole in a roof that is not leaking) on the bright side there is no evidence of any moisture issues where it was insulated; 2) It is heated (reiker ceiling fan handles the room nicely!); 3) The underside of the roof is not plywood - it is a mix of solid boards and battens; and 4) it is over a finished-ish basement that gets some heat, but it never gets very warm under there AND it currently has some un-remediated moisture problems (I know, I know, but it's got to wait).

I live on the eastern shore of maryland: HOT, HOT, HOT in the summer (though the porch is shaded 90% of the day), enough cold days and nights that I need it to be warmer, and some below freezing nights in the winter.

Here are my questions:
1) Do I insulate under the floor? What should I use? Can I just staple bats between the basement joists?
2) What do I use to insulate the roof?
3) What's all this about vapor barriers - they seem to cause as much problems as they fix?
4) Can I also insulate the new ceiling?

Wow - thanks for reading all this mess - I would appreciate any thoughts, horror stories, cautions, and advice.



Last edited by Leah Frances; 01-12-2008 at 08:16 PM. Reason: Forgot one thing
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