Journal of Progress--July 22-29
Monday, July 23, 2018 Installed both of the 24-foot rim boards today, and cut the remainders (about six feet long) but did not get them installed. Might have, if I hadn’t taken a mid-morning nap. I had to design and manufacture three installation jigs to allow me to maneuver the long rim boards into place. They are OSB, 1-1/8 inch thick, and VERY heavy. They are more than twice as thick as nominal half-inch OSB, and 9-1/2 inches wide by twenty-four feet long. So each one weighs as much as 2-1/2 sheets of nominal half-inch OSB, which is twice as heavy as plywood. A sheet of half-inch plywood weighs forty pounds. A sheet of OSB weighs eighty pounds. So a twenty-four foot rim board weighs in the neighborhood of 200 pounds! Not something you want to chance dropping on the roof of your car from atop an eight-foot high wall! Hence the alignment jigs. They worked perfectly the first time. Made me feel good, but it still took time to align the rim board to each joist en...
