Roof Soffit Framing Details

Before the roof sheathing goes on the open framing provides easy access for attaching the return blocking and the nailers for the rake soffit.

Roof soffit framing details.

At the gable edge use a gable or sidewall flashing. Span is the horizontal distance between the outside top plates or the base of two abutting right triangles. Soffit panels may be followed by a trim board or molding along the fascia or at the top of the house wall. Features associated with basic roof framing terms are shown in figure 2 2.

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. To provide a drip edge allow an overhang of 1 to 2 inches at the eave. Unit of run is a fixed unit of measure always 12 inches for the common rafter. 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. This is how i did my pole barn workshop and at the end of the video i also show. It s available in a wide range of colors and requires little maintenance.

Another common design in the northeast is the saltbox which is a gable roof with one longer side. Roofs are basically five types. Soffits usually range from 16 to 24 inches wide. Shed gable hip gambrel and mansard.

Refer to the figure as you study the terms discussed in the next paragraphs. The last pieces to go in were nailing blocks above the ledger for the back of the return and at the bottom edge of the soffit for attaching the rake 20. Vinyl is one of the most popular soffit materials. 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.

Here s how to frame a boxed soffit on the eave and gable end of a building. It is fastened directly to the rafter tails or to horizontal framing blocks called lookouts. Roof framing is one of those carpenter skills that appears quite complicated and indeed some roof designs are difficult.