Raised Tie Roof Truss Calculator

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

Raised tie roof truss calculator.

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. Consult irc table r802 5 1 for rafter span adjustment factors for rafter sizing with raised ties l rafter span w load on rafter l x rafter spacing x roof design load h height of ridge above plate h distance between tie and ridge t tie force w 2 x h h x run rise. Enter your existing heel size or rafter size enter two of the span height pitch fields. Roof layout and pitch as per plan.

In accordance with structural engineer s calculations and specification. Our roof rafter calculator tools are handy for calculating the number of rafters needed rafter length calculator lineal feet of rafter board feed in ridge and sub facia and the total board feet in the roof. Trusses can be constructed with smaller sized lumber than rafters and often their cost is not significantly higher than normal rafters. Engineered raised tie truss utilising hydraulically press plated treated timber with trusses set at centers in accordance with building regulations and structural engineer s calculation.

The tool will calculate the missing field. Un insulated raised tie truss roof. 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.