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.
18 foot roof trusses.
Versa stud lvl sp 2650 1 7 3 piece per box.
The dimensions of your structure will determine the angles formed by the truss s top and bottom beams or chords.
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.
They are designed at a 4 12 pitch to be spaced 2 foot on center.
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.
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.
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.
Truss capacity is listed by pounds per square foot based on the following load rating criteria.
Just enter the dimensions of the roof rise and run to get started.
Or greater trusses truss core 18 foot truss related products 2 in.
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.
The truss is a framework consisting of rafters posts and struts which supports your roof.
Use of manufactured roof trusses can dramatically cut labor costs when framing a gable roof compared to building rafters.
These trusses the meet building code criteria as specified by structural building components of america sbca and the truss plate institute tpi.