Rim joist insulation / Discussions

...insulation should I add behind the rim joists? I feel like spray foam is the answer, but I'm a little concerned about off-gassing. 2. I'm worried about condensation between the vapor barrier and the insulation / studs in winter, especially in the areas where the foundation walls are above ground. Can I do anything to p...

...joists. the crawl is vented with 2 vents. i live on the east coast of Vancouver Island BC. I am have trouble deciding on sparying open cell in the joists and leaving it vented or sealing the crawl with closed cell on the perimeter walls and joist ends. if I spray closed cell i will only have a 12 mil poly vapor barrier...