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Had a home inspector tear apart my attic air sealing job last fall
Guy said my approach was leaving huge gaps around the plumbing stacks. He showed me how to use the red spray foam gun instead of the cans and follow each pipe right to the boot. Cost me about $60 for the gun and a can of foam but my heating bill dropped $40 in December alone. Anyone else get called out on something you thought was fine but totally wasn't?
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rayc8927d ago
My December gas bill dropped from $189 to $148 after I fixed the same thing. But I actually disagree that the gun alone fixed it. The real issue is people who skip the mastic on the attic floor before they even start foaming. I see so many jobs where guys just spray around the pipes but never seal the drywall-to-subfloor gap first. That gap alone can leak more than a dozen plumbing stacks combined. Did you go back and check the floor joint after he criticized your work?
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joseph45527d ago
Is it really that big of a deal though? I mean, a dollar fifty or so difference on a bill doesn't seem worth crawling around an attic for hours. @rayc89, you're making it sound like a whole house falls apart if you miss one gap. I've never sealed a floor joint in my life and my bills are fine. You have to be losing a lot of air for that to actually matter. Most people probably aren't losing enough to notice on their bill anyway. Seems like overkill for a pretty common setup.
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