Imformation On Raised Heal Roof Truss

A raised heel truss is much like it sounds.

Imformation on raised heal roof truss. A raised heel truss is much like it sounds. 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. The engineered wood association raised heel trusses with vent baffles provide more room for insulation over the exterior wall. That s a lot better than 4 and it makes the attic insulation overall much closer if not equal to the flat side of things than the lumpy side.

Overlapping heels of trusses with wall sheathing saves money continuous plywood or osb sheathing can completely eliminate code required blocking saving time and expense provided that the requirements in section r602 10 8 2 of the 2015 international residential code. The heel of a conventional metal plated roof truss where the bottom chord intersects with and bears on the perimeter pole building wall columns and is fitted with a vertical member which literally raises the top chord of the truss. Raised heel trusses are installed the same way as conventional trusses so no special tools or know how is needed to build them. The original purpose of a raised heel truss was to allow roof lines to match up for improved curb appeal.

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. You can get about 15 of space for insulation in raised heel trusses. Now this is nothing new. The heel of a conventional plated roof truss where the bottom chord intersects with and bears on the perimeter wall plate and is fitted with a vertical member that literally raises the top chord of the truss.

Setting the roof raters on a raised top plate placed on top of the ceiling joists allows for more insulation in a framed roof. The top of the top chord is 20 above our top plate. We installed raised heel trusses with bottom chord overhangs on our house. Note the extra height at the heel of the raised heel truss right compared to the conventional truss left.

While this article focuses on configurations we also have a very cool set of illustrations showcasing the different parts anatomy of roof trusses. Raised heel trusses differ from their conventional truss counterparts in that they are fitted with a heel where the bottom chord intersects with the perimeter wall plate which raises the top chord. Installing raised heel trusses.