Framing Eaves Roof

Finish the eaves framing after ripping the top of the subfascia with a circular saw set to 26 5 degrees i flushed the top ripped edge with the top of the plumb cut on the rafters and screwed the subfascia to the rafter tails.

Framing eaves roof.

An eave is the part of a roof that overhangs the building s exterior walls. How to box frame roof eaves written by piyush jain on feb 07 2010. Home eaves are considered heat traps so closing the space with fascia board and soffit panels helps to prevent a fire from igniting inside a home. For gabled roofs the roof rafters extending beyond the wall caps creating an angled roof overhang on the eaves.

The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle. If the lower section of the roof rafters or rafter tail extends beyond the exterior wall the projection forms an overhang or eave. To ensure our content is always up to date with current information best practices and professional advice articles are routinely reviewed by industry experts with years of hands on experience. Before roof trusses the exposed rafter tails were an extension of the roof framing.

A building with a hip roof has more eaves than a building with a gable roof. A rake on the gable end of the roof can be created with the construction of additional roof framing. Doing so raises the eave which. And the line length measurement from the roof peak to the building wall is the hypotenuse.

What hip roofs demand in extra framing. Box frame roof eaves wind can blow fire embers inside an attic vent so sometimes homeowners in high wind dry areas choose to box in their roof eaves. When the architect had the chance wright made the eave more than a byproduct of roof construction. Overhanging eaves are characteristic of frank lloyd wright s prairie house style.

When designing an open eave with roof trusses make sure that you raise the heel of the truss and use a thicker top chord. The run or half the building span is the base of the triangle. Open eaves with trusses. The ceiling joists pushed the rafters up and gave extra height to the building.

In the 1950s era zimmerman house in new hampshire wright used the roof eave as part of the usonian function. Some counties mandate that eaves be boxed as a. On both ends of the roof i let the subfascia run out beyond the anticipated width of the rakes.