The top plate sealing is really pretty important when looking at he big picture. The drywall is sealed to the adjoining piece but not to the structure of the wall so air is free to move up and down between the structure of the wall and the drywall. As you can see in my first pictures, I have sealed the rock to the plates and then along the strapping over the plates extending beyond a few inches because you can't get the seam under the strapping. In the second picture I'm sealing the top plate of the load bearing wall through the middle of my house. There is strapping right up next to it on either side acting as a nailer for the rock so I sealed the plate to the strapping and then the strapping to the sheetrock. Then the joists lap there so I sealed the seam between them in a continuous fashion with the rest of the foam.
I don't have electric heat so that isn't it. The original heat is a line gas fired Buderus boiler. I think the heat pumps just don't like raising the temperature so so drastically. So I'll continue to use the gas. At least until I have this place properly buttoned up. We'll see what happens next winter.
@AC Hacker,
I have a hobby of video encoding, as in format changing movies to make them smaller to take up less space on my file server, but I don't know much about video editing per se. Why do you ask?
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Chipping away on a daily basis.
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You know you're an ecorenovator if anything worth insulating is worth superinsulating.
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S-F: "What happens when you slam the door on a really tight house? Do the basement windows blow out?"
Green Building Guru: "You can't slam the door on a really tight house. You have to work to pull it shut."
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