Ord 2019-045/amending various sections of the City's development code, address typographical and technical errors, implement recommendations of the HPC to restrict the painting of masonry in the Downtown Historic District, etc.

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2. Grapevine: • Administrative approval of Certificate of Appropriateness for a request to change the color or placement of colors ■ If painting the same color, no Certificate of Appropriateness is required • Historic paint color cards from all major paint manufacturers are allowed • Both residential and commercial structures are reviewed Paint Guidelines are used to guide applicant with appropriate paint combinations ("EXHIBIT B") 3. Georgetown: • Administrative approval of Certificate of Appropriateness • Both residential and commercial structures are reviewed • No paint palette has been approved but staff reviews for historic appropriate colors • Chapter 11 of Georgetown's Design Guidelines are specific to historic color schemes, accent colors, and when to paint ("EXHIBIT C") Sealing or painting historically unpainted brick creates performance issues with the material. The paint traps moisture in the brick, which compromises the face and structural integrity of the brick, which leads to failure of the wall. The Secretary of the Interior's Standards for Treatment of Historic Properties state that applying paint or other coatings to masonry that has been historically unpainted or uncoated is not recommended ("EXHBIT D"). The following are a couple of best practices for historic masonry: Preserve and maintain original brick, stone, terra cotta, cast concrete, mortar and other masonry original to the building. Masonry exterior is a character -defining feature, and its different textures, finishes and patterns contribute to the building's appearance. Preserve the building's masonry to retain your building's historic character. Do not cover or conceal original masonry surfaces with non -historic materials such as metal, exterior insulated finishing systems or vinyl. Keep the historic masonry visible and unpainted. Do not paint or seal the masonry building if it has never been painted or sealed. The brick's color and texture is an important part of its appearance. Any paint applied to the brick will require regular maintenance and periodic repainting. If the building is painted or sealed, it may trap the moisture in the wall and cause the bricks to fail. It may also cause moisture -related issues on the interior, such as mold. Silicone -based sealants do not allow bricks to "breathe" and can trap moisture within walls. If water is penetrating the historic masonry building, use one of the highly effective non -paint related treatments available to strengthen the damaged or sandblasted masonry and make it more water repellent and resistant to the elements. Exhibit D -pg 3 of 18