Attic Truss With Raised Heel

Ventilation eave baffles if needed for air flow.

Attic truss with raised heel.

Building is designed in accordance with the irc. When insulation is compressed its r value is reduced. Compare click to add item 26 spreadweb residential roof truss 5 12 pitch 87 to the compare list. Raised energy heel typical truss heel height is about 12 but may be designed to most any height per the building designer specification.

Raised heel trusses 9 1 4 to 15 1 4 inches in depth. Raising the truss higher has two big advantages. More importantly the raised heel provides the opportunity to increase energy efficiency to meet new energy code requirements. Builders don t need special tools or know how to build with them.

With raised heel trusses it may be possible to put hvac ductwork in the attic without the system losing too much heat. Truss heel height the vertical depth of the truss at the outside face of the bearing. Though extra material is used to create the trusses raised design the extra cost can be offset by the need for less insulation without compromising energy efficiency. A raised heel truss is identical to a conventional truss except for one difference.

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. The raised heel provides additional space for cheaper attic insulation and for the full depth of insulation to be extended right to the outside of the top plate. 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. With a raised heel truss you have enough space to utilize cheaper insulation methods such as blown cellulose.

It greatly simplifies attic ventilation and it leaves ample room for insulation above exterior wall top plates. Raised heel trusses are installed the same as conventional trusses. Add to list click to add item 26 spreadweb residential roof truss 5 12 pitch 87 to your list. Getting your home build under a roof earlier can prevent moisture damage.

The guide can be downloaded for free from the apa s website. Raised heel trusses can be installed in a single day. Easy to build with. How raised heel trusses save you money.

Click to add item 26 spreadweb residential roof truss 5 12 pitch 87 to the compare list. This is the least expensive form of insulation for the attic floor. Standard heel typical truss heel height is about 4.