Roof Energey 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.

Roof energey heel.

Irc section n1102 2 2 applies to ceilings without attic spaces while section n1102 1 applies to those with attic spaces. Buyer s guide to the best roof shingles 2020 april 3 2020. 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. Irc energy code requirements truss heel heights information about ceiling space energy requirements from the international energy conservation code is replicated in both the irc and ibc.

Design a raised heel. Because raised heel trusses are high enough to leave the insulation value intact the energy code allows for use of less insulation for the entire ceiling system when raised heel trusses are used. To build the roof. 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.

Your roof is what keeps you protected. Standard heel typical truss heel height is about 4. Truss heel height the vertical depth of the truss at the outside face of the bearing. More importantly the raised heel provides the opportunity to increase energy efficiency to meet new energy code requirements.

Raised heel trusses do not compress the attic insulation over the top plate which compromises the insulation value. 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. The option 1 figure to the right shows a raised energy heel.

It provides you with peace of mind knowing that you and your family are safe from rain snow hail wind heat and cold. Standard heel typical truss heel height is about 4. Answer for energy efficiency some areas recommend an energy heel or raised heel so that there is not a cold spot in the intersection where the roof meets the wall. There are a couple of options for designing energy heels.