18 Foot Roof Trusses

The truss is a framework consisting of rafters posts and struts which supports your roof.

18 foot roof trusses.

Use of manufactured roof trusses can dramatically cut labor costs when framing a gable roof compared to building rafters. A truss for a gable roof on one side of your home for example might need to be 15 feet 4 6 m long and 4 6 feet 1 2 1 8 m tall. Top chord live load snow and other temporary loads top chord dead load roofing materials weight of the truss itself other permanent items attached to the roof bottom chord live load storage and bottom chord dead load insulation ceiling. They are designed at a 4 12 pitch to be spaced 2 foot on center.

18 foot 7 20 foot 10 22 foot 6 24 foot 15 26 foot 12 28 foot 11 30 foot 12. Shop our wide selection of stock and custom roof trusses to complete your building project available in a variety of styles and sizes. The important point to keep in mind when you use your truss calculator is that every truss calculation is completely unique and is based on the size of your roof and its specific dimensions. Trusses can be constructed with smaller sized lumber than rafters and often their cost is not significantly higher than normal rafters.

These trusses the meet building code criteria as specified by structural building components of america sbca and the truss plate institute tpi. For a 2 000 square foot home roof truss installation typically costs between 7 200 and 12 000 you ll spend anywhere from 1 50 to 4 50 per square foot for materials alone or between 35 and 150 though extremely long and complex types can reach 400 each labor runs anywhere from 20 to 75 per hour ranges in both materials and labor are due to location size and roof complexity. Engineered lumber corrugated roofing southern pine trusses 25 in. Pre manufactured stock trusses are constructed with spruce pine fir spf or southern yellow pine syp lumber.

If you re building rafters and aren t sure where to start when determining the length of your lumber you re in the right place our rafter stock size calculator shows you how long your rafters should be so you ll know what you need in terms of framing lumber dimensional lumber studs and more. Versa stud lvl sp 2650 1 7 3 piece per box. Or greater trusses truss core 18 foot truss related products 2 in. Roof truss span tables alpine engineered products 15 top chord 2x4 2x6 2x6 2x4 2x6 2x6 2x4 2x6 2x6 2x4 2x6 2x6 bottom chord 2x4 2x4 2x6 2x4 2x4 2x6 2x4 2x4 2x6 2x4 2x4 2x6 2 12 24 24 33 27 27 37 31 31 43 33 33 46 2 5 12 29 29 39 33 33 45 37 38 52 39 40 55 3 12 34 34 46 37 39 53 40 44 60 43 46 64 3 5 12 39 39 53 41 44 61 44 50 65 47 52 70.