Roof Truss Heel Height Calculator

Enter your existing heel size or rafter size enter two of the span height pitch fields.

Roof truss heel height calculator.

Half building width minus 1 2 ridge thickness. To use the truss form existing roof dimension calculator. Height fascia bottom chord double top plate overhang. Enter any angle or fraction of angle to find pitch.

Other than roof pitch and span the most importand measurement need to match an existing roof is called the heel height. The tool will calculate the missing field. Calculating the heel height on a standard truss can be done by using the formula. Simply it is the thickness of the truss measured at the point where the bottom chord meets the top chord from the top of the top plate to the underside of the sheathing.

If you can t get the heel height most residential trusses will have a 3 top cord. Depending on your roof slope add 4 to 5 inches for heel height. Total heel height h butt cutt to work out h we need to use the following formula where h y. One of the most important measurements needed to match an existing roof is called the heel height.

Enter any pitch or fraction of pitch to find angle. How to measure heel height. The truss members shown are assumed to be 2x4 s. Height calculation for a common truss calculate the height of a common truss using the building width and the slope of the roof.

Here s a quick way to calculate the heel height of a prefabricated wood roof truss. How to measure heel height. Simply it is the thickness of the truss or rafter measured from the outside of the wall from the top of the top plate to the underside of the sheathing. It will use the current cost of wooden rafters based on the average price found at home improvement stores.

Standard heel heights top chord overhang and angles heights are listed in feet inches sixteenths and include butt cut pitch angle 2x4 2x6 2x8 2x10 1 12 4 763 0 3 12 0 5 12 0 7 8 0 9 9. Print full scale rafter cut templates and birdsmouth templates fold template over rafter to mark or cut through. This is our pitch calculator which will convert pitch to angle or angle to pitch for half degree roof slope calculations. This information was provided to ron walker by a structural engineer.

The important point to keep in mind when you use your truss calculator is that every.