Insulation & Air Sealing
Wide tape spans the many layers of a thick wall to make an air tight and water tight seal
Window banks need to line up neatly for the trim to work out. Foam walls add the extra possibility of compressing the backing. So there's that.
A superinsulated sunroom might sound like an oxymoronic idea, but it is not. Just use triple glazed windows and thick foam over the wall framing and roof
A deep energy retrofit in Concord, MA illustrates everything you need to know to bring a house to energy überville
Built tight and verify. And then ventilate.
You can't stop heat flow, but you can keep your floor from becoming a big ol' heat sink
The final step: center it in the opening, and seal the perimeter
Blowing a thick bed of insulation into an attic is really a two-person job, but you can do it by yourself if you have to
An affordable insulated slab foundation suitable for climate zones 1, 2, and 3
A few really cool tricks and a Master Class at the end
The air sealing process for a high performance home with double-stud walls.
You can dig in to the roof without adding more insulation, but you can't dig far