Soffit Roof Overhang Framing Details

Construct a soffit or eaves overhang combined with assuring that an opening is provided all along the top of the building wall by removing any blocking between roof rafters at the top plate combined with use of roof insulation baffles to assure an air inflow pathway under the roof deck.

Soffit roof overhang framing details.

In most instances the cornice or eave of today s homes are finished off with a soffit the covering on the underside of the overhang. 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. Its top edge is tucked up under the shingles and its outside face is where the gutter is mounted. These homes can be left as is or soffits can be added.

At other times the rafter tails are left exposed. Metal panels untreated wood panels and vinyl attic vents figure 1. Place one nail in each of the outer v grooves and in the lip of the groove flange. Soffits are commonly constructed from fiber cement panels metal panels stucco vinyl panels or wood sheathing.

These roof overhangs direct water away from the walls and the foundation shelter entry doors and shade windows from the summer sun. For soffits that are wider than 2 ft put a nailer across the center of the soffit for more support. Soffits a soffit encloses the underside of sloped or flat roof overhangs. When designing a gable end eave without a return the dimensions to look at are the width of the trim set between 6 in.

The fascia is the wide board that s installed on edge and runs horizontally along the edge of the roof. Start with roof framing. Wide especially when the eave overhang is less than 12 in. Nails into the soffit framing members.

Sometimes the projecting portions of the rafters the rafter tails are cut plumb and level to be boxed in with a soffit and fascia or more ornamental trim. Older homes often have an open eave with the rafters adding to the décor. Before the roof sheathing goes on the open framing provides easy access for attaching the return blocking and the nailers for the rake soffit. Avoid gable ends that are over 8 in.

Nail the lath to the bottom of the wooden soffit by driving 2 in. To 18 in depending on the style of the building. Fascia and soffits finish the edges of roofs by covering the ends of the roof rafters or roof trusses where they overhang the sides of the house. 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.