20 foot to 120 foot spans.
Steel roof joists sizes.
About o donnell metal deck.
They are custom engineered to suit the design of each building.
Steel trusses come in three types.
Joist to girder attachments are normally supported with joist hangers easyclip e series or s series support clips.
Standard specifications for k series lh series and dlh series open web steel joists and for joist girders sji 100 2020.
K series joists range in depth from 10 to 30 and can span up to 60.
20 inch to 120 inch depths.
These welded steel products are used to support a building s roof and floors.
Gable lean to and header.
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.
Steel joist institute standard specifications load tables weight tables.
Header trusses are special order 12 and 24 are common sizes but are available up to 30 wide.
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.
Lean to trusses are stocked in a 1 12 slope x 12 and 20 width and special order up to 30 wide.