Inspired by projects such as William Castle’s house, featured on our blog yesterday, I set out to design an open web joist using small diameter poles for non-code areas. It’s not as shiny and elegant as manufactured brands, but hey, who can argue with the cost? These trusses would cost just a few dollars apiece if you have a good source of poles. In parts of the U.S., and probably other countries, the poles you would need are practically free. Small trees like this are thinned out to reduce fires and help larger trees reach marketable size. You could use scrap metal for tie plates and cut the cost in half. Barter for a can of screws and you’re talking really dirt cheap.
Many natural builders use wooden TJI engineered joists for floors and roofs. This online specifier’s guide makes it easy to determine what size TJIs to use. From Custom Truss LLC: “What are TJI Wooden Floor Joists? TJI joists offer an excellent alternative to wooden floor trusses or flat roofs. These high-tech joists combine webs of … Read more