Good information from everyone. Thank you!! The structure I will be using the
rigid insulation in is a raised center aisle barn which is all built of wood ,
the raised center part is 20 feet from the ground and has a 4 in 12 pitch roof
over it and is 18' x 30'. I was going to screw the rigid insul. boards to the
rafters then there would be a gap of about 4ft at the ridge down to 6 inches
between the roof and the rigid insul boards.
I don't have any lights in this area but will have two 5' ceiling fans. There
are three 2'x4' windows on either side that are about 2 ft from the ceiling so
the rigid insul boards will hopefully reflect some light in to the floor space.
right now I'm sure I loose a lot of heat from my wood stove into this space so
it will serve two functions one to keep the heat in in the winter and two keep
the heat out in the summer that comes from the asphalt shingled roof.
I was originally planning to insulate with rolled insulation and then screw
16'
lengths of corrugated metal on to the rafters, this is what i did on the two
lower ceilings which go from 9' up the 14' but for some reason i can't get
motivated to do the same thing in the center part which is 20' up in the air.
And know you know the rest of the story.
Frank V.
Loomis, Ca
rustymetal@sbcglobal.net
________________________________
From: David Hillman <hillman@planet-torque.com>
To: Arvid Jedlicka <arvidj@visi.com>
Cc: Shop Talk List <shop-talk@autox.team.net>
Sent: Sun, June 2, 2013 11:08:57 AM
Subject: Re: [Shop-talk] rigid insulation board
On Sun, 2 Jun 2013, Arvid Jedlicka wrote:
> I think which way the foil is facing depends on what you are trying to do
> ... keep heat in or keep heat out. Based on the information here ...
>
> http://www.rimainternational.org/index.php/myths/
In theory, that's probably true. In my non-scientific experience with two
garages, they are both substantially cooler in summer and warmer in winter than
they were with uninsulated ceilings. Neither have any A/C, and the one with
heat noticed a drop in heating costs.
For a about a year after I did mine, I kicked myself everyday for not doing
it the week I bought the house. YMMV.
--
David Hillman
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