How I Fixed My Leaky, Underinsulated Exterior Wall


Rigid foam, spray foam, and fiberglass now give me an airtight, well insulated wall


When I began remodeling my master bathroom last month, I found the exterior wall ripe for some serious improvement. It had a number of problems, and I was excited to find them.

It was worse than I imagined in some ways. The photo at right shows the wall partially opened up.

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