weight distribution ceiling joists
Alibaba offers 25 Light Weight Steel Joist Suppliers, and Light Weight Steel Joist Manufacturers, Distributors, Factories, Companies. If the load is a 40 pounds one, for example, a 2x4 measuring 10 feet would have a pending of 1,000 feet pound to the maximum. An Fb value indicates design strength for those extreme fibers. There are 18 OEM, 18 ODM, 3 Self Patent. When using the tables to size rafters, there are two points to keep in mind. First, remember that the rafter’s span is not its actual length, but its total horizontal projection (see Figure #6). //