Decking is made by forming and coating sheet steel.
Steel bar joist roof.
Open web steel joists are an engineered truss like construction component used to support loads over short and long spans alike.
Joist girders serve as primary framing members with simple spans to support concentrated loads for a roof or floor system.
New millennium produces roof form and composite floor decking as well as specialty profiles dovetail deep deck and bridge deck.
Bar joist buildings are often times insulated on the underside of the roof deck to increase the building s energy efficiency.
Typically used in non residential construction steel joists and joist girders provide an economical system for supporting floors and roofs.
Therefore steel bar joists or also known as open web steel joists for framing floors and roofs offer many advantages when compared to a wood truss or steel beam system.
For floors concrete is typically poured over the decking.
Steel joists handle loads and span conditions that a tradition wood system cannot typically handle.
K joists are used typically where shorter span conditions are required.
It is installed above the joists to serve as a base of support for either a roof or a floor.