Attic Truss With Raised Heel

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Attic truss with raised heel.

More importantly the raised heel provides the opportunity to increase energy efficiency to meet new energy code requirements. With a raised heel truss you have enough space to utilize cheaper insulation methods such as blown cellulose. Compare click to add item 26 spreadweb residential roof truss 5 12 pitch 87 to the compare list. 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.

Truss heel height the vertical depth of the truss at the outside face of the bearing. Easy to build with. The guide can be downloaded for free from the apa s website. With raised heel trusses it may be possible to put hvac ductwork in the attic without the system losing too much heat.

It greatly simplifies attic ventilation and it leaves ample room for insulation above exterior wall top plates. Getting your home build under a roof earlier can prevent moisture damage. Raised heel trusses are installed the same as conventional trusses. A raised heel truss is identical to a conventional truss except for one difference.

Raised heel trusses can allow you to install full depth uncompressed fiberglass batt insulation from wall to wall in your pole barn s attic floor. Raising the truss higher has two big advantages. Combined with a properly designed attic ventilation system and some well placed air sealing a roof framed with raised heel aka high heel or energy trusses reduces the temperature and pressure differences between the conditioned living space below and the unconditioned attic area thereby reducing thermal transfer or heat loss between those spaces. Also the raised heel trusses are assumed to have a heel height of between 9 inches to 15 inches.

Ventilation eave baffles if needed for air flow. This is the least expensive form of insulation for the attic floor. Raised energy heel typical truss heel height is about 12 but may be designed to most any height per the building designer specification. Builders don t need special tools or know how to build with them.

Click to add item 26 spreadweb residential roof truss 5 12 pitch 87 to the compare list. Building is designed in accordance with the irc. Raised heel trusses 9 1 4 to 15 1 4 inches in depth. How raised heel trusses save you money.

When insulation is compressed its r value is reduced. Standard heel typical truss heel height is about 4. Raised heel trusses can be installed in a single day.