Does anyone have a good source for the self weight of a typical CFS Roof Truss, and have so far been unlucky. Alpine provides approximate values for wood trusses in the "Encyclopedia of Trusses", but I cannot find similar values for CFS. The only thing I have found is a sentence in the same document that claiming "TruSteel trusses can be as light as one-half the weight of similar wood or "C" channel steel trusses." We've typically conservatively used the same self-weight as wood trusses in our DL previously, but I am now involved in a project where a more accurate, yet still conservative, estimate would be useful.
CFS is obviously lighter, but not sure I feel very comfortable reducing the weight by half based on a single sentence in what amounts to a sales brochure.
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