Pitch Roof Truss Specs

Roof truss span chart.

Pitch roof truss specs.

They are designed at a 4 12 pitch to be spaced 2 foot on center. Over 51 sizes styles in stock. A truss with the same pitch and heel on both sides and a peak at the center is called a common truss. Pitch depth spans in feet to out of bearing spans in feet to out of bearing 5 12 38 47 57 39 51 59 42 56 63 45 54 68.

Shop roof trusses spacer floor truss. A roof s pitch is determined by how much it rises vertically for every foot it runs horizontally. The standard roof truss spacing is 2. Thus a moderate 6 in 12 roof pitch means that the roof rises 6 inches vertically for every 12 horizontal inches it runs.

Pre manufactured stock trusses are constructed with spruce pine fir spf or southern yellow pine syp lumber. This is the distance between trusses. Custom trusses up to 100 span. These trusses the meet building code criteria as specified by structural building components of america sbca and the truss plate institute tpi.

A pitch truss with a sloping or non sloping vertical interior ceiling detail. This type of truss is perfect for the dining room living room great room and kitchen. Flat the most economical flat truss for a roof is provided when the depth of the truss in inches is approximately equal to 7 of the span in inches. Truss capacity is listed by pounds per square foot based on the following load rating criteria.

It will use the current cost of wooden rafters based on the average price found at home improvement stores. 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. 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. Girder trusses are designed to carry additional loads other than standard roof loads.

This online truss calculator will determine the all in cost of your truss based on key inputs related to the pitch width and overhang of your roof. Up to 40 open framing for plumbing. See the image below for more explanation on rise run and pitch. Rise and run means that a 6 12 pitch roof has 6 of rise vertical for each foot of run horizontal.

The steeper the roof the more expensive the trusses get because the longer the boards get and the more roof area increases. A 12 in 12 pitch is a steep 45 degree angle roof.