Roof Eave Framing

After installing the rafters we still had to extend the porch roof back over the shed roof creating a valley on either side.

Roof eave framing.

Open eaves with trusses. Blind valleys simplify framing. Before roof trusses the exposed rafter tails were an extension of the roof framing. What hip roofs demand in extra framing.

An eave is the part of a roof that overhangs the building s exterior walls. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit the triangle. Doing so raises the eave which. The ceiling joists pushed the rafters up and gave extra height to the building.

The rise or height of the roof at its peak is the altitude of the triangle. When designing an open eave with roof trusses make sure that you raise the heel of the truss and use a thicker top chord. 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. The run or half the building span is the base of the triangle.

On both ends of the roof i let the subfascia run out beyond the anticipated width of the rakes. 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. A building with a hip roof has more eaves than a building with a gable roof.