About o donnell metal deck.
Steel roof joists sizes.
Joist to girder attachments are normally supported with joist hangers easyclip e series or s series support clips.
K lh and dlh series steel joists joist girders and lh and dlh series joists available as single or double pitched single piece steel joists can be produced up to 90 feet long joist girders.
They are custom engineered to suit the design of each building.
These welded steel products are used to support a building s roof and floors.
Lean to trusses are stocked in a 1 12 slope x 12 and 20 width and special order up to 30 wide.
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.
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.
Standard specifications for k series lh series and dlh series open web steel joists and for joist girders sji 100 2020.
20 foot to 120 foot spans.
K series joists range in depth from 10 to 30 and can span up to 60.
Header trusses are special order 12 and 24 are common sizes but are available up to 30 wide.