Standard Steel Roof Truss Sizes

Snoot truss click picture to view snoot truss 75 00.

Standard steel roof truss sizes. 30 feet is available for 27 00 per foot. Joist girders and lh and dlh series joists available as single or double pitched. Crating and bundling for a box truck this is necessary when not shipping on a flatbed truck. Single piece steel joists can be produced up to 90 feet long.

The same thing is true for the bridge of the truss. The steeper the roof the more expensive the trusses get because the longer the boards get and the more roof area increases. Finally the truss calculator will compute the best dimensional method to connect the pieces of the truss with steel joints and a bridge. About product and suppliers.

These steel joints are needed to support the overall truss. Trusses must be designed for any special loading such as concentrated loads from hanging partitions or air conditioning units and snow loads caused by driftingnearparapetorslide offfromhigherroofs. 20 inch to 120 inch depths. Typical roof truss spacing means that they are usually about 24 inches from centre which means at the centre of one truss there will be a two foot gap or twenty four inch gap until the centre of the next truss.

Spans for 2x4 top chord trusses using sheathing other than plywood e g. This document aims to apply to aussteel steel wall frames and trusses within the subsequent general limitations. 05425 cold formed steel trusses roof truss spans every trussteel roof truss is a custom design based upon the unique load span bearing use and code criteria of a particular project. A truss with the same pitch and heel on both sides and a peak at the center is called a common truss.

The more complex the truss framework is the greater quantity of these joints will be required. Bar joist are 24 00 per foot on sizes of 10 16 20 and 24 feet. 20 foot to 120 foot spans. Common or standard trusses are symmetrical and have standard four inch heels.

A residential structures and light commercial structures b maximum wind rating of n2 c4 c maximum truss spacing of 3000mm d tile and sheet roof construction e standard stud spacings of 450mm to 600mm centres f standard wall heights up to 6000mm g 70 90mm standard stud widths h single and double storey construction. You will also incur additional costs because it is much harder to deck and shingle a roof that is 12 12 pitch versus a 4 12 roof. The standard roof truss spacing is 2. Girder trusses are designed to carry additional loads other than standard roof loads.

These standards are as follows.