Insulation & Air Sealing
Stack effect is relentless: it is always working, when you’re awake or asleep, even during blackouts. And it feeds on itself.
When air sealing a house, begin with the biggest holes and work toward the small ones
Offset the joints and seal the gaps to keep air leaks out of the thick walls
Windows cannot rest on the foam, so they hang from wood bucks
Letting the brick dry evenly is the key for old masonry walls that want to leak less energy
Dr. Bailes does the math
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 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.