He suggested Laminated Veneer Lumber (LVL) for the application and I did some checking. This product is great. It takes wood frame construction to additional realms. An LVL of dimensions of 1-3/4" x 18" will span up to 26'-0" and carry a load of 286 pounds per foot at that length. Since you rarely have the desire to build anything of the thickness of 1-3/4", the LVL is doubled to make up the typical wall thickness, and that doubles the supporting capacity to 572 pounds per foot. Typical design range is around 30 pounds per foot in my area, so you get almost twenty times the bearing capacity you need. Crazy.
HERE'S MORE ON LVL.
Dude, I am about to design some ridiculously long span stuff from this point forward.
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