I'm being recommended 15 other 'similar questions' that I can't seem to piece together an answer for myself, so maybe I need more information before I can determine this, but I'm not clear what other variables those would be based on the information I have read thus far. I get that the more material that's there, the stronger it will be - but is knowing the info I have enough to use a calculation to determine necessary size? (example 2圆, 2x8, 2 - 2圆's bolted together) The product is stronger, stiffer, and a more predictable building material and compared with similarly sized sections, RigidLam can support heavier loads and allow for greater spans. I know my length, and weight requirements, but not size of the board. Roseburg RigidLam LVL (Laminated Veneer Lumber) beams, headers, columns and studs provide a better alternative to traditional solid sawn lumber. The calculator wants me to pick a size & length, which defeats my needs. The problem is I don't understand the values it wants enough to complete this. I have read tons of threads that all basically say the same thing - "Go use this calculator!" Or let's get nutty, say 400 lbs (I assume we can just adjust this variable in the formula once someone helps me understand the formula). Knowing that I need to span 10', and expect to have a live load (the weight will be swinging) on a single point on the beam, I need to determine the required size to support 200 lbs. my gut says 3 ply LVL 1.75x14' will cover the span but I just want to confirm with a calculator. Span is 20 feet to cover however we can add a post if need be or divide the span. So instead, my thought is to attach 2圆 to the walls, and use joist hangers to support a new set of beams for this project - I just don't know the size of beam that would be needed. There is currently a steel beam spanning the main floor and spanning the second floor is just 2x4 construction as the load bearing wall. ![]() The ceiling rafters are too thin (2x4), and are comprised of a variety joints - I'd prefer not even mess with those. I have tried to read lots about deflections of different material based on span (using span tables) but I am missing some fundamental information that I'm hoping you lot can help me with. I am interested in hanging a heavy-bag/swing/aerial yoga bands - but am concerned about hanging from a strong enough beam.
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