Elegant Eaves for a Truss Roof
Cedar rafter tails and trim add a handsome touch to this roofline.
Synopsis: Architect Steve Baczek and Jim Wolffer of Shoreline Builders describe the process of adding an exposed eave to a sing-story, hip-roofed house. To add the eave without sacrificing energy efficiency, the authors used clipped heel trusses designed to drop below the wall’s top plate inside the house to make room for blown cellulose insulation and a vent channel below the roof deck. The article includes step-by-step photos of the cedar eave installation, and a drawing with details of the eave assembly.
Even as we develop more and more standard assemblies for tight, well-insulated building envelopes, there are always some details that require extra thought and ingenuity. Roof overhangs tend to be one of these details. Not only can continuous rafter tails cause a thermal bridge, but they can create a difficult area to air-seal as well. Of course, this all depends on where you locate your air and…