FRANKLIN HISTORIC DISTRICT DESIGN GUIDELINES 42 Residential Buildings Additions to Historic Residential Buildings • Where foundation infilling is desired, use square lattice work placed behind the piers. Paint lattice work a dark color or match it to the color of the exposed mortar joints in the piers. Materials & Exterior Finishes • Use materials and exterior finishes that complement the historic building, such as frame, brick, or stone. Frame additions are recommended when the historic building is brick or stone. • Use lap, weatherboard, or clapboard siding for frame additions. Lap siding exposure should be consistent with that on adjacent historic buildings. Use smooth cement wood siding rather than vinyl or aluminum siding. Avoid board-and-batten and other exterior finishes that accentuate the verticality of an addition. • Match surrounding historic masonry in width of the mortar joints, size and scale of the bricks, color, and texture. • Use roofing materials that complement the architectural style of the historic building, such as asphalt, wood, stone, slate, or fiber-glass shingles, 5V metal, or standing-seam metal. • Alternative materials may be considered for use on a case-by-case basis. Considerations include the potential impact on historic significance, durability, accuracy of appearance, location, environmental impacts, and interaction with historic building materials. Details & Ornamentation • Use details and ornamentation that are similar in character and proportions, but less elaborate than those on the historic building. • Use a material for details on an addition that match those of the historic building in profile and dimension. • Incorporate soffits, cornices, fascia, frieze boards, moldings, or other elements into an addition that are generally similar to those of the historic building.
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