Gambrel Dormer Roof Detail

Before you can cut the hole for the roof dormer you must know exactly where the side walls will be built.

Gambrel dormer roof detail.

Whenever possible begin trim installation at the downwind end of the roof farthest away from the source of prevailing winds to al low flashing laps to face away from wind driven rain. The information from each image that we get including set of size and resolution. Okay you can use them for inspiration. When the house has a larger rake overhang reduce the overhang depth on the dormer by 25 to 50 unless your intention is to draw attention to the dormer roof.

You have to build the kneewall first then brace it straight and work around the wall and its braces while installing two sets of rafters. Take note of the cleverly balanced oval window next to an offset double hung group on the lower left elevation. Include roof pitch roof geometry slope length and climatic factors such as heavy snowfall or rainfall. Do not step on panel ribs or on trim pieces to prevent kinking.

The trim and roofing sheet should be fastened every 12 to 24 inches along the gable edge. Diagonal plank board walls add a hint of whimsy and perfectly mirror the incline of the staircase. Use a plumb bob to transfer the inside edge of the walls to the underside of the roof. The distinctive roof of this residence sets the tone for the new england style exterior.

You should utilize three tab asphalt shingles for this project. The two story foyer allows the grandeur of the staircase to take center stage. When there is little or no rake overhang on the main house detail the dormer to match. Refer to the details.

The application of shingles over a gambrel roof has very little variation from the application of shingles to a traditional roof. The flanking roof forms hold traditional gambrel roof dormers but the classically detailed entrance porch with pediment underlines two gabled dormers and one elliptical one. A gambrel roof is often thought of as a bard style roof where the roof of a structure has multiple slope changes on either side of the roof. Mark the dormer wall layout on the attic floor and make sure the dormer walls are square with the exterior wall of the house.

Roof pitch the metal roofing panels shown in this manual require a min imum slope of 2 ʺ per foot to ensure proper drainage.