#simpletipsunday ... stair math part 2, the rough opening. @ellytheapprentice posted a story of a conversation with a carpentry classmate discussing the formula taught in the program. I was never able to remember that formula when I needed it so I broke it down into the ratio and proportion that it is based off of. If you’re better with formulas here it is: R.O. = [(run/rise) x (headroom + floor thickness)] + 3 #stairs #roughopening #stairmath #framingmath #riserun • . . . . . #helpfulhints #tradeschool #speedsqaure #mastercrapforgoodluck #byronbuilds #redsealcarpenter #carpenter #carpentry #woodworking #woodworker #woodwork #framer #framing #framersareadyingbreed #buildersofinsta #bluecollar #construction #framersofig #roughframing #roughframer (at Awesome Things) https://www.instagram.com/p/BtuBwvxDtY5/?utm_source=ig_tumblr_share&igshid=v6whyqhrgl8h