Framing Eaves Roof

If the lower section of the roof rafters or rafter tail extends beyond the exterior wall the projection forms an overhang or eave.

Framing eaves roof.

The run or half the building span is the base of the triangle. 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. 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. A composite decking made of solid materials it resembles real wood and particularly strong and stable for bearing heavy load.

Although ceramic tile roofs are expensive they can have a life span of over 100 years. Overhanging eaves are characteristic of frank lloyd wright s prairie house style. The rise or height of the roof at its peak is the altitude of the triangle. And the line length measurement from the roof peak to the building wall is the hypotenuse.

Before roof trusses the exposed rafter tails were an extension of the roof framing. On both ends of the roof i let the subfascia run out beyond the anticipated width of the rakes. Doing so raises the eave which. When the architect had the chance wright made the eave more than a byproduct of roof construction.

A horizontal timber or metal resting at the peak of the roof the rafters and trusses are connected to the ridge board for a cohesive framework. It is a waterproofing layer made of regular felt stacked above the solid. The framing of a basic gable roof is based on a right angle triangle and the various roof framing components fit 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.

Roof pitch is the measurement of a roof s vertical rise divided by its horizontal run. Open eaves with trusses. An eave is the part of a roof that overhangs the building s exterior walls. A building with a hip roof has more eaves than a building with a gable roof.

In the 1950s era zimmerman house in new hampshire wright used the roof eave as part of the usonian function. What hip roofs demand in extra framing. It is often compared to slope but is not exactly the same. How to box frame roof eaves written by piyush jain on feb 07 2010.

In wood frame construction the primary structural members of a gabled roof frame are the ridge board and the rafters. 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. The ceiling joists pushed the rafters up and gave extra height to the building.