Attic Truss With Raised Heel

With raised heel trusses it may be possible to put hvac ductwork in the attic without the system losing too much heat.

Attic truss with raised heel.

Raised heel trusses can be installed in a single day. With a raised heel truss you have enough space to utilize cheaper insulation methods such as blown cellulose. When insulation is compressed its r value is reduced. 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 are installed the same as conventional trusses. Raised energy heel typical truss heel height is about 12 but may be designed to most any height per the building designer specification. Raising the truss higher has two big advantages. The guide can be downloaded for free from the apa s website.

It is raised higher with a heel that extends up from the top of the wall and elevates the truss at the building s edges. 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. Click to add item 26 spreadweb residential roof truss 5 12 pitch 87 to the compare list. Builders don t need special tools or know how to build with them.

Also the raised heel trusses are assumed to have a heel height of between 9 inches to 15 inches. How raised heel trusses save you money. Ventilation eave baffles if needed for air flow. Compare click to add item 26 spreadweb residential roof truss 5 12 pitch 87 to the compare list.

Getting your home build under a roof earlier can prevent moisture damage. Add to list click to add item 26 spreadweb residential roof truss 5 12 pitch 87 to your list. More importantly the raised heel provides the opportunity to increase energy efficiency to meet new energy code requirements. Easy to build with.

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. This is the least expensive form of insulation for the attic floor. 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.

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. Raised heel trusses 9 1 4 to 15 1 4 inches in depth. It greatly simplifies attic ventilation and it leaves ample room for insulation above exterior wall top plates.