Roof Rafter Raised Heel

If stick framing is the plan you can still raise the heel.

Roof rafter raised heel.

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. Raised heel trusses provide a cost effective way to meet more stringent energy efficiency codes. Raised heel trusses also known as energy heel trusses deliver cost effective energy performance especially when used with continuous plywood or osb sheathing. Truss heel height the vertical depth of the truss at the outside face of the bearing.

A raised heel truss is much like it sounds. Ventilation eave baffles if needed for air flow. Other than roof pitch and span the most importand measurement need to match an existing roof is called the heel height. Instead of running ceiling joists next to rafters build the ceiling frame as if it were a floor and set a plate along the outer edge.

While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses. It s not surprising that four out of five modern homes are built with pre fabricated trusses as they offer a lot of advantages. Building is designed in accordance with the irc. The top of the top chord is 20 above our top plate.

Simply it is the thickness of the truss or rafter measured from the outside of the wall from the top of the top plate to the underside of the sheathing. Raised heel trusses 9 1 4 to 15 1 4 inches in depth. We installed raised heel trusses with bottom chord overhangs on our house. Because they can span wide rooms t.

Builders don t need special tools or know how to build with them. Easy to build with. A more uniform pitch and size increased spans mean fewer internal load bearing walls and they can be installed quickly with less labor. According to the 2012 international residential code for seismic zones or zones designated for winds of 100 mph raised heel trusses more than 15 25 have to be blocked and braced.

Heel height and overhang for a trussed roof. Raised energy heel typical truss heel height is about 12 but may be designed to most any height per the building designer specification. Now you can set rafters atop the plate for a solid roof with plenty of room for insulation. Raised heel trusses are installed the same as conventional trusses.

Just as there are many types of roofs with many roof parts there are many different types of roof trusses this extensive article explains through a series of custom truss diagrams the different truss configurations you can use for various roofs.