Island Home Makeover: Eave Trim Details

Project lead Mark Pollard with a full scale mock-up of the main roof trim detail, created in collaboration with designer Rachel Conly. The full scale model helped the team fine-tune the proportions of trim elements, and let the construction crew see how the rain screen wall assembly would be vented at the top of the wall.

Carpenter Shane Fenton applies a a soffit nailer over the rain screen wall strapping.

Fenton snaps a line on the fascia cut of the existing roof rafters. Irregularities in the existing house framing made it hard to establish straight, level lines around the roof on the remodeled eave.

Fenton lays out a level line on the roof rafter endss (left) and makes the level cuts (right).

Fenton attaches level soffit nailers to the rafter cheeks.

At the eave return, Fenton scribes a level nailer to match the underside of the end rafter (left), screws the nailer to the rafter (center), and screws the nailer to the ledger on the house wall (right).

Pollard and Fenton had to figure out the termination points for the trim work on the fly by holding pieces of trim in place.

The team's theoretical eave trim solution, defined by the full scale mockup model, didn't quite correlate to the reality the carpenters discovered as they worked around the house and confronted the old roof system's out-of-whack hundred-year-old framing. Here, Pollard sketches out a modified version of the trim design that's tweaked to fit the real situation.

The frieze board wrapping the entire perimeter made for a unique challenge in locating the roof trim. Elevations varied from corner to corner, and the window sill placement was critical in making this trim detail successful. The crew is seen here verifying, again, in the field how the elevations will carry around the house. All of the effort straightening the framing of the house paid off, and only a minor amount of splitting the differences was needed to install the trim.

View of the "real world" mock-up, complete with rain screen details. After quickly assembling this mockup in place, Pollard and Fenton climbed down and viewed the assembly from the ground to check the visual effect of the proportions.

Pollard installs blocking for soffit nailing at the corner of the eave.

The tongue-and-groove soffit board material was pre-painted with one coat of exterior latex prior to installation. Here the crew is lining up the miter at the outside corner, then marking the other end to be cut to length.

Pollard scribes a cut line onto the soffit board as Fenton holds the other end of the board in place.

The third soffit board is persuaded into position then fastened. The three pieces were laid out so the outer board would have the same reveal as the inner board after the frieze and bed molding are installed on the wall.

Pollard and Fenton position the fascia for installation. The roofing membrane was intentionally left long in order to be trimmed later to seal the rafter bays against the elements.

Pollard nails "shadow trim" in place after priming the end miter cut. The roof membrane will be stapled near the top edge of the shadow, then trimmed so that it will be hidden behind the roof drip edge.

The outer top corner of the shadow board is positioned in plane with the roof sheathing and fastened with 8d stainless steel ring-shank nails.

A seven-sixteenths-inch-thick strip is installed below the soffit to act as padding for the frieze board and bed molding.

Pollard installs Cor-A-Vent SV-3 siding vent to the wall top before installing the frieze board beneath the soffit. He leaves a three-eighths-inch gap between the vent strip material and the thin thick furring strip. This gap will allow air to exhaust from the rain screen wall assembly, through the SV-3, and then between the frieze board and clapboard siding to be installed later.

Fenton nails the frieze board to the wall strapping. The frieze board runs around the entire house just below the plane of the roof eaves and the dormer windows, serving as a unifying trim element that ties the home together visually.

As a final touch, Pollards fastens pre-painted bed molding is over the frieze, setting the nails flush to the surface of the trim. The whole trim package will get a final coat of paint once the siding is complete.

The trimmed-out eave sits ready for a final coat of paint in late May.

Another look at the front of the home. With upper level trim details complete, the crew is working on wrapping the front porch columns.

Hey — remember this? A photo of the house taken six months ago by homeowner Will Crosby shows the early demolition phase of the work.

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