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Old 10-27-13, 10:14 AM   #20
Lurking Renovator
Join Date: Apr 2012
Location: NS, Canada
Posts: 21
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The furnace just has a single speed fan, and from what I can tell so far I'll need all the air flow I can get with the low temp water.

Here are a few pictures of some insulating I did yesterday. Iím using 1Ē thick EPDM closed cell foam made by Areoflex ( Itís a bit pricey here at ~$3 a foot, but Iíve got a significant amount amount piping outdoors. It is also UV resistant and theoretically does not require any additional covering.

For the Ďtrenchí to the house Iím using 2Ē rigid XPS board. I had to make a compromise/sacrifice here since itís a drainback system the trench becomes a protrusion closer to the panels. Iím relying on the rigid box to help maintain a gradual slope back to the basement. I plan to do some grading to cover it, but the pipe and insulation is definitely not below the frost line. Time will tell whether this was a mistake.

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