OK. My floor has a slight hump In the doorway. I cannot get it out. I have jacked both sides, as well as cut the joists in doorway. I have fudged it all the way around to get the hump down to about 1\4 slope on each side of 6' level. My question is when I sand, should I start in the doorway or work wall to wall thru the door? Im going to use a belt sander. My worry is the sander wanting to cut to much in the doorway or creating dips. I hope this isn't a stupid question. I just don't want to create a larger problem.
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