On existing buildings, original materials shall be retained wherever possible. No existing materials shall be covered for cosmetic reasons, and the repair and restoration of existing materials deemed of architectural value shall be strongly encouraged.

Where appropriate, building renovations shall incorporate elements of the original structure into the renovation design.

The use of brick, stone, clapboard, shakes and other facade materials of a traditional and vernacular nature shall be strongly encouraged. In general, a maximum of two principal facade materials shall be permitted.

Aluminum siding, metal panels and mirrored glass surfaces are prohibited on all buildings.

The painting of buildings in bold colors, patterns, checks or stripes is discouraged.

The use of earth tone colors (browns, beiges, grays, soft greens, etc.) and/or other colors generally associated with traditional building design shall be encouraged on all buildings. Accent or complementary colors which harmonize with the main facade colors shall be permitted for trim, awning and other building details.