R-value / Discussions

I have a 3 foot and 4 foot drop level crawl with a part basement attached. 650 square feet. It has sand floor and below grade concrete walls. the access to the crawl is from the part basement. i have take out old r10 batts that were in the floor joists. the crawl is vented with 2 vents. i live on the east coast of Vanc...

I'm adding insulation to the stud walls in my baserment with 2.25" of close cell spray foam on the concrete walls.  The stud walls are 3-5" " from the close cell spray foam.  I can either (try to) pack the void between the wall and the uneven surface of the closed cell spray foam, leaving the stud bays empty, or leave ...