rim joist insulation options.... - AVS Forum
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Old 01-03-2013, 02:56 PM - Thread Starter
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Finally starting on finishing the basement/media room.
This is my 4th attempt, but finally got more ducks in a row.
Starting to put up rigid foam, if walls are dry from washing them...


<<snip snip>> ignore ignorant post... frown.gif
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Old 01-03-2013, 04:48 PM
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Ever watch Holmes on Homes?
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Old 01-03-2013, 05:20 PM
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As an aside, some Canadian speaker manufacturers need to start sponsoring that show, so maybe he'll start thinking about LV more.

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Old 01-03-2013, 07:27 PM - Thread Starter
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YAIP - Yet Another Ignorant post... frown.gif
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Old 01-03-2013, 07:31 PM - Thread Starter
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So my walls are a bit longer then 8', so the sheets dont come all the way up.



Do i add a 1' strip to bring it flush to floor joist, or up to the sill plate and caulk the joint?
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Old 01-04-2013, 12:53 PM
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I did my basement with rigid foam although mine was under 8 feet.

For in between the joists cut a piece of rigid foam and left 1/2 inch gap around it, then filled that in with a can of spray foam.

In your case I would be tempted to do the same thing, then at the end spray foam that gap you have all around the room. Its either that or you cut thin strips of the rigid foam to fit, then tuck tape the crap out of it so that it is still sealed.
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Old 01-04-2013, 01:19 PM
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Just occurred to me that you could do it the reverse way.

Start your rigid foam at the top, so that your gap is at the bottom. That would be much easier to come along and fill with spray foam between the bottom of the rigid foam and the floor.

I also used these nails with the plastic washers to tack the rigid foam onto my sill plate while the PL 300 glue dried. (tuck tape the nails afterward)

http://www.homedepot.ca/product/polyhead-nails-2-inch-box-of-150-yellow/993819
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Old 01-04-2013, 01:44 PM - Thread Starter
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Thanks that might just work, will have to use big gap great stuff for ~1" gap....

I got 1/5th of the rim joists filled in, man i started getting sloppy towards midnight rolleyes.gif
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