Bar Joist Vs Truss

January 12 2016 at 8 38 am.

Bar joist vs truss.

A lightweight steel open web bar truss joist similar to the floors of the world trade center and the roof of the charleston sc sofa store is a long steel bar web bent at 90 degree angles and. Alex this is actually not true of trusses. Trusses at least not in the area that i live. To see part 1 of this series click here.

Typically used in non residential construction steel joists and joist girders provide an economical system for supporting floors and roofs. Steel joists handle loads and span conditions that a tradition wood system cannot typically handle. Joists joists are supports that run between walls or beams to support the weight of floors roofs and ceilings. While joists support the weight of floors and ceilings trusses have a wide variety of applications including supporting roofs and in bridge design.

Trusses are of many types. The open web design of steel joists and joist girders introduce a range of cost and performance advantages. Joists are used in floors and as column support. Open web steel joists are an engineered truss like construction component used to support loads over short and long spans alike.

Which product is better i joists or floor trusses. Trusses and rafters have many common parts including the sloping rafter boards and a bottom joists that form the ceiling of the space below. The major functional difference between the two is that trusses are built mostly with 2x4s in place of the wider dimensional boards. These concentrated loads often include standard steel joists that are in turn supporting steel roof or floor deck.

This topic has received so much attention on our blog that we thought we would write another article about it. 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. I just did some checking to confirm. The one thing con you forgot to consider with floor truss vs traditional joists is that they are much weaker in a fire situation and will collapse long before a traditional floor joist will.

Bar joist our open web steel joist series are designed to meet the specifications of k kcs lh series joist. Steel joists joist girders. U s steel truss mezzanine system is available to work with our steel columns as part of a truss package. Joist girders serve as primary framing members with simple spans to support concentrated loads for a roof or floor system.

It is like the skeleton a building. The joist also called bandsill supports the load which the floor is built to bear. But it is true of i.