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2

The plumber most likely didn't bring it up because (1) he doesn't know much about the height requirements nor is he required to or (2) he is just there to do the plumbing or a combination of both 1 and 2. Next, basically the general rule is that things like this can be 'grandfathered' in, so long as they aren't touched. Since you were code compliant at the ...


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If you put a beam across the room you'll feel bad every time you look at it. if you have a flat ceiling, you'll feel proud. Use joist hangers to put some 2x4s between the ceiling joists so that they pass just above the 2x6 (stuff's going to sag), drill through the top plate from below with a spade bit and screw the 2x6 to the 2x4s remove the wall and top ...


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The reason that 90 degree turns (or any tight radius bends) in duct systems are discouraged are because they reduce air-flow. The friction that is encountered by the moving air as it hits the wall of the turn slows it down decreasing the distance it can travel. There are equations that can be used to calculate the number of bends before air performance is ...



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