Frost & Thermal bridging?

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Frost & Thermal bridging?

We have 2 x 8 exterior walls with 2 x 4 staggered stud framing. Standard plywood sheathing with hardie board siding. Full 2 x 8 on plates and at openings so we are a bit surprised to find the same frost pattern on the wall as the rest of the standard framed 2 x 6 framed houses in the neighborhood. There must also be a dewpoint factor involved here? This isn't what I've been led to believe in the building science classes I've taken... Any gurus out there that can shed some light on this?

net zero frost.jpg61 KB
Asked by Kent Mitchell
Posted Thu, 01/03/2013 - 00:56
Edited Thu, 01/03/2013 - 00:57

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