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Although the use of steel joist hangers to support floor joists is recommended over a ledger supporting the joists because of house settling and nail separation, they are not required by code in most municipalities. However, toe nailing & end nailing is nowhere near as effective as using hangers to support flooring systems. [7]
Between the joists, the area called a joist-bay, and above the ceiling in some old houses is material called pugging, which was used to deaden sound, insulate, and resist the spread of fire. A joist hanger. In platform framing, the joists may be connected to the rim joist with toenailing or by using a joist hanger. [6]
Architects, engineers and builders found it difficult to compare rated capacities and to use fully the economies of steel joist construction. Gable steel joists being erected. Members of the industry began to organize the institute, and in 1928 the first standard specifications were adopted, followed in 1929 by the first load table. The joists ...
Steel fixer ("ironworker" USA, also "rodbuster" USA/Australia), a tradesperson who positions and secures reinforcing bars and mesh used to reinforce concrete on construction projects. [12] [13] This trade is usually included with Ironworkers. Teamster, operator of highway trucks used to haul heavy loads on paved roadways.
I-beams are commonly made of structural steel but may also be formed from aluminium or other materials. A common type of I-beam is the rolled steel joist (RSJ), sometimes incorrectly rendered as reinforced steel joist. British and European standards also specify Universal Beams (UBs) and Universal Columns (UCs).
A Nissen hut is a prefabricated steel ... sole plates. On these are 4 × 3 inch (10 × 8 cm) bearers and 4 × 2 inch (10 × 5 cm) joists at 2 feet 10 inch (86 cm ...