Roof Soffit Framing Details

Here s how to frame a boxed soffit on the eave and gable end of a building.

Roof soffit framing details.

Roofs are basically five types. R7 roof eave and soffit detail r8 rafter and joist bridging r9 collar tie at rafter detail r10 rafter brace connection detail r11 roof framing with wood tail extension r12 wood truss bearing on steel wall r13 collector block detail r14 non aligned roof wall framing r15 hip beam. Refer to the figure as you study the terms discussed in the next paragraphs. Roof framing is one of those carpenter skills that appears quite complicated and indeed some roof designs are difficult.

Vinyl is one of the most popular soffit materials. This is how i did my pole barn workshop and at the end of the video i also show. Soffits usually range from 16 to 24 inches wide. Another common design in the northeast is the saltbox which is a gable roof with one longer side.

Unit of run is a fixed unit of measure always 12 inches for the common rafter. At the gable edge use a gable or sidewall flashing. Features associated with basic roof framing terms are shown in figure 2 2. To provide a drip edge allow an overhang of 1 to 2 inches at the eave.

This will keep weather out prevent lifting in high winds and provide a neat fin ished appearance. Even if most people don t register what it is that makes a home seem special using a sloped soffit is an easy way to make a home look old or built with more craftsmanship than typical new homes. For instance certainteed ironmax soffits may span 24 inches without additional nailing strips if permitted by code rules. Shed gable hip gambrel and mansard.

The trim and roofing sheet should be fastened every 12 to 24 inches along the gable edge. It is fastened directly to the rafter tails or to horizontal framing blocks called lookouts. Most homes these days have boxed soffits but i find that a bit of creativity at the roof edge goes a long way toward style. Span is the horizontal distance between the outside top plates or the base of two abutting right triangles.

The soffit is cut to fit between the house walls and the fascia. It s available in a wide range of colors and requires little maintenance. Soffit panels may be followed by a trim board or molding along the fascia or at the top of the house wall.