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Old 06-16-2015, 01:42 PM   #16
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I have never known anyone that has ever insulated the utility room. If they do it, they do it before any items are installed in said space. That includes placing 5/8" drywall on the walls after either Sprayed on or Batt insulation is installed.

To do it correctly, you will have to move some stuff out of that space, instead of just trying to shove stuff behind the equipment.
You will notice in the pictures that there is a frost wall in front of the cinderblock wall. IT is about 6" this and about 3' high at its highest (it drops down to about 1/4" high on the other side of the cottage.

What this in mind, how about this...I remove the plumbing system and glue eps or xps foam to the bare concrete of the frost wall and the cinderblock wall. I have enough room to do this behind the drain pipes. I then frame a 2x4 or wall 1" from the frost wall straight up to the joists and stuff that wall with the Roxul batt insulation I have and cover it in vapour barrier. For the wall with the electrical panel on it I will glue as much foam as I can to it, frame a 2x6 or 2x8 wall in front of the panel, then insulate and vapor barrier that wall...I say 2x6 or 2x8 because I am not concerned about space in that room, it will allow me to double up on the batt insulation (I have lots leftover), and because the wider widths give me plenty of area to notch out for wires.

Either that or I insulate and vapor barrier the warm side of the 2x8 wall that sits under the main beam to create a thermal break between the warm and cold zones....in reality though whenever the heat is on in the warm zone the heat will be on in the cold zone so I'm not sure it is worth while.

thanks for your help in this and my other message!
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Old 06-16-2015, 01:58 PM   #17
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is that glued to the exterior wall or is it mounted to a stud wall?
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Old 06-16-2015, 02:08 PM   #18
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Concrete nailed to poured or block wall.
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Old 06-16-2015, 02:28 PM   #19
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Im assuming it functions as insulation and vapor barrier? Does it come in a variey of thickness/ rvalues?
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Old 06-16-2015, 03:41 PM   #20
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Yes.

I would skip it and go with rigid foam. I am not a fan of PSK.
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Old 06-16-2015, 05:09 PM   #21
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Im assuming it functions as insulation and vapor barrier? Does it come in a variey of thickness/ rvalues?
R-13 and r-19.... r 13 would be all that is necessary.

Rigid foam board is a good solution. However, it is far easier to recommend than to pay for it


One caveat... it depends on how much you need to cover. You don't want to purchase a 100' roll, either.
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Old 06-16-2015, 09:07 PM   #22
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So lets see if we can get a consensus...board glued or nailed on concrete, 2x4 stud wall in front of that, batt insulation in stud wall, vapor barrier over stud wall.

What would I do with gaps and stuff around wires and the electrical panel? just fill in with expanding foam?
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Old 06-17-2015, 12:54 AM   #23
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You do not use Expanding foam around the panel. You need to just box around it, then place a panel that can be pulled off, to give access to the panel.



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Old 06-17-2015, 03:56 AM   #24
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It is a basement. You only need moderate insulation. I go with R13 vinyl blanket and place more attention on the rim joists.
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Old 06-17-2015, 11:15 PM   #25
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Photo #3 and #7, aka. "the diaper"; http://www.google.com/url?sa=t&rct=j...Gq3ToLZQruI9mg

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17,000 dryer fires a year, when did you last clean the inside of the dryer near motor or the exhaust ducting?
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Old 06-17-2015, 11:29 PM   #26
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Sort the above/below-grade (different) walls for moisture problems, and specific location testing for local climate results; ftp://ftp.cmhc-schl.gc.ca/chic-ccdh/..._Web_sept5.pdf

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