Behind the last true floor joist is a cavity above the concrete foundation, on the other side of it is the rim joist. The builder stuffed fiberglass insulation up there, but there is absolutely no way to get rigid foam board up there or air seal around it with spray foam. Would it be acceptable to j

Came home to water pouring through my ceiling and flooding my condo a couple weeks ago so I’m in the midst of an unexpected renovation of my whole unit. A lot of this is going through insurance, but I figured I should use this as an opportunity to do a few little home improvements while contractors