Steel Roof Joists Sizes

Slh series joists are used to support loads over very long spans typically 120 and greater.

Steel roof joists sizes.

Standard specifications for k series lh series and dlh series open web steel joists and for joist girders sji 100 2020. Structural track usually in the same gauge as the joist is used as rim or band enclosures. 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. 20 inch to 120 inch depths.

Lean to trusses are stocked in a 1 12 slope x 12 and 20 width and special order up to 30 wide. Steel joist institute standard specifications load tables weight tables. About o donnell metal deck. Gable lean to and header.

Joist to girder attachments are normally supported with joist hangers easyclip e series or s series support clips. Steel trusses come in three types. K series joists range in depth from 10 to 30 and can span up to 60. 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.

20 foot to 120 foot spans. Header trusses are special order 12 and 24 are common sizes but are available up to 30 wide.