Roof Truss Heel Height

Standard heel typical truss heel height is about 4.

Roof truss heel height. This is created by designing the truss with a heel height tall enough to meet the r value requirements. Design a raised heel. Other than roof pitch and span the most importand measurement need to match an existing roof is called the heel height. David broad created date.

Raised energy heel typical truss heel height is about 12 but may be designed to most any height per the building designer specification. Key definitions truss heel height the vertical depth of the truss at the outside face of the bearing. The extra height of a raised heel truss roof provides additional space for uncompressed attic insulation and the full depth of insulation to be extended right to the outside of the top plate. Raised energy heel typical truss heel height is about 12 but may be designed to most any height per the building designer specification.

Height fascia bottom chord double top plate overhang. Looking for help in defining a roof truss heel height in revit. Truss heel height the vertical depth of the truss at the outside face of the bearing. 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.

Height calculation for a common truss calculate the height of a common truss using the building width and the slope of the roof. The option 1 figure to the right shows a raised energy heel. Depending on your roof slope add 4 to 5 inches for heel height. Standard heel typical truss heel height is about 4.

I have researched the web and was unable to find any information or assistance on how or if it is possible to define a truss heel height in revit. 6 25 2008 3 46 39 pm. I have developed a spreadsheet that will calculate the required base offset to corr. 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.

If you can t get the heel height most residential trusses will have a 3 top cord. The cost of additional insulation is very little and depending on your climate zone and the local energy code you may require less insulation if your. With this type of energy heel the wall sheathing will usually need to extend up the outside of the truss. Microsoft word standard heels doc author.

One of the most important measurements needed to match an existing roof is called the heel height.