If you've insulated the pipe, sloped to the outside, properly lapped the joints, left a drain hole or two at the bottom of the vent termination...then I think you're just up against physics. Physics wins every time.
"Appreciate the thoughts, Glen. But I think you need to be careful about the terminology. Building science is science. It's the application of building science that tends to be less scientific. The discipline of building…"
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