Joist to girder attachments are normally supported with joist hangers easyclip e series or s series support clips.
Steel roof joists sizes.
They are custom engineered to suit the design of each building.
Structural track usually in the same gauge as the joist is used as rim or band enclosures.
Depending on loads and spans c joists are typically spaced at 12 16 19 2 or 24 on center spacing.
Steel trusses come in three types.
Steel joist institute standard specifications load tables weight tables.
K series joists range in depth from 10 to 30 and can span up to 60.
Gable lean to and header.
20 foot to 120 foot spans.
About o donnell metal deck.
Lean to trusses are stocked in a 1 12 slope x 12 and 20 width and special order up to 30 wide.
20 inch to 120 inch depths.
Gable trusses are in stocked in a 4 12 slope x 20 24 30 and 40 width and special order up to 50 wide 60 for tubing trusses.
Header trusses are special order 12 and 24 are common sizes but are available up to 30 wide.
Standard specifications for k series lh series and dlh series open web steel joists and for joist girders sji 100 2020.