In both trusses the load is transferred to the support directly through the sloping top chord members without the need for web members.
Sloping top chord roof truss.
This truss can be used when greater area is needed for solar panels on one side of a roof or if the building owner wants to put windows in the vertical portion of the top chord to allow light into the building.
A free calculator is provided at the bottom.
Spread the lovecalculate rafter length of roof by doing the following.
Difference in slope between the top and bottom chords is at least 3 12 or the bottom chord pitch is no more than half the top chord pitch.
Clerestory trusses can be used when an extension of a top chord plane is desired over the peak of a common truss to create greater surface area on one side of the roof than the other.
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.
First find the length of the bottom chord and divide by 2 multiply it by itself.