18 Foot Roof Trusses

Use of manufactured roof trusses can dramatically cut labor costs when framing a gable roof compared to building rafters.

18 foot roof trusses.

The dimensions of your structure will determine the angles formed by the truss s top and bottom beams or chords. Pre manufactured stock trusses are constructed with spruce pine fir spf or southern yellow pine syp lumber. These trusses the meet building code criteria as specified by structural building components of america sbca and the truss plate institute tpi. 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.

Just enter the dimensions of the roof rise and run to get started. 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. Trusses can be constructed with smaller sized lumber than rafters and often their cost is not significantly higher than normal rafters. 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. 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. 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. 18 foot 7 20 foot 10 22 foot 6 24 foot 15 26 foot 12 28 foot 11 30 foot 12.

Or greater trusses truss core 18 foot truss related products 2 in. Versa stud lvl sp 2650 1 7 3 piece per box. The truss is a framework consisting of rafters posts and struts which supports your roof. Shop our wide selection of stock and custom roof trusses to complete your building project available in a variety of styles and sizes.