Roof Truss With Energy Heel

Design a raised heel.

Roof truss with energy heel.

This is created by designing the truss with a heel height tall enough to meet the r value requirements. More importantly the raised heel provides the opportunity to increase energy efficiency to meet new energy code requirements. Truss heel height the vertical depth of the truss at the outside face of the bearing. Standard heel typical truss heel height is about 4.

Raised energy heel typical truss heel height is about 12 but may be designed to most any height per the building designer specification. Framing with raised heel trusses and continuously sheathing exterior walls improves structural and energy performance and offers many savings that benefit both the builder and the homeowner. 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. The option 1 figure to the right shows a raised energy heel.

An energy heel has a taller heel height which allows for the adequate amount of insulation to reach the outside wall and eliminate the cold spot. Energy trusses are designed to allow greater insulation depths at the heel. To build the energy heel truss click build framing roof truss from the menu. If prompted that the layer framing roof trusses is not displayed click yes to turn on the display of this layer in the current view.

Raised heel trusses also known as energy heel trusses deliver cost effective energy performance especially when used with continuous plywood or osb sheathing. Most standard residential trusses can achieve r values r value referring to a rating that represents the insulation s capacity to resist heat transference from heated to non heated areas and vice versa of 11 or 13 near the sidewall. Related videos roof framing. Better insulation drier walls lower hers scores and labor savings raised heel trusses also known as energy heel trusses deliver cost effective energy performance especially when used with continuous plywood or osb sheathing.

There are a couple of options for designing energy heels. The solution for roofs framed with trusses is something called the raised heel truss also called an energy heel truss or energy truss. To create a truss with an energy heel a vertical member is added over the supporting wall and the bottom chord stops there rather than extending into the overhang. Using the select objects tool select the roof truss and then use the open object edit button.