New answers tagged structural
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 ...
That's an extremely long span for 2x8s, even tripled. Do you know whether there was ever an intermediate post? Most would suggest that you have a engineer look over your situation. Existing framing isn't always a good indicator of what to use. At any rate, a pair of 1-3/4" microlam (or laminated veneer lumber--LVL) beams will almost certainly suffice. The ...
Always for the most strength, place the beam so the 4" faces are the top and bottom and the 6" dimension is the height. As a mention I hope you are planning on adding posts or some means of support in the center. A 16' beam supported by the ends only will not hold up a deck.
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