FRANKLIN HISTORIC DISTRICT DESIGN GUIDELINES 32 Residential Buildings Historic Residential Buildings Dormers • Preserve and maintain historic dormers. • Add dormers only to rear or side facades with minimal visibility. • Size and locate dormers to fit with the historic architectural style and roof shape of the building. Dormers should be designed to be similar yet subordinate in detailing, scale, width, and massing to existing dormers. • Relate the style, scale, and proportion of dormer windows to windows on lower floors of the historic building. • Use roof dormers instead of wall dormers and design them according to the graphic below: Dormer roof pitch should be at least 3:12 and no less than half the main roof pitch. Dormer should be recessed at least 1 foot from the exterior building wall. Dormer sidewalls should be at least 30 inches from the exterior building wall. Dormer should be located below the main ridge of the building. 1 1 2 2 4 3 4 3
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