Roof Soffit Framing Details

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.

Roof soffit framing details.

Features associated with basic roof framing terms are shown in figure 2 2. Shed gable hip gambrel and mansard. Vinyl is one of the most popular soffit materials. For instance certainteed ironmax soffits may span 24 inches without additional nailing strips if permitted by code rules.

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. Refer to the figure as you study the terms discussed in the next paragraphs. It is fastened directly to the rafter tails or to horizontal framing blocks called lookouts.

Roofs are basically five types. Soffit panels may be followed by a trim board or molding along the fascia or at the top of the house wall. At the gable edge use a gable or sidewall flashing. Soffits usually range from 16 to 24 inches wide.

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. Details for conventional wood frame construction the first approach to achieving a strong durable struc ture involving economical use of materials is to follow a. The trim and roofing sheet should be fastened every 12 to 24 inches along the gable edge. This will keep weather out prevent lifting in high winds and provide a neat fin ished appearance.

Another common design in the northeast is the saltbox which is a gable roof with one longer side. Here s how to frame a boxed soffit on the eave and gable end of a building. 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. 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. Roof framing is one of those carpenter skills that appears quite complicated and indeed some roof designs are difficult. 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.