4.8.8. ROOF DESIGN.
A. Mixed-Use, Multifamily and Nonresidential Districts.
1. Roof Materials.
a. Acceptable materials for all sloping roof areas with a pitch of 3:12 or greater, and visible from any public or private right-of-way, are listed in Table 4.8-10.
b. Intense, bright, or fluorescent colors shall not be used on any roof areas visible from a public or private right-of-way or public open space.
c. All roof materials on all portions of all development other than rooftop decks shall have a minimum 25 year warranty.
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Table 4.8-10 Permitted Materials for Visible Sloping Roofs |
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|---|---|---|---|---|
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✓ = Permitted Blank cell = Not permitted |
Residential Districts |
Mixed-Use Districts |
Special Purpose Districts |
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Single-Family Detached and Duplexes |
Townhouses and Multifamily |
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Asphalt Shingles |
✓ |
✓ |
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Composition (Architectural) Shingles |
✓ |
✓ |
✓ |
✓ |
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Concrete, Clay or Slate Tiles |
✓ |
✓ |
✓ |
✓ |
|
Membrane System Roofs |
||||
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Seamed Architectural Metals (e.g., Tin, Copper) |
✓ |
✓ |
✓ |
✓ |
2. Roof Form.
a. Where sloped roofs are used, at least one of the following elements shall be incorporated into the design for each 60 linear feet of roof to avoid long, flat roof surfaces:
i. Projecting gables,
ii. Hips,
iii. Horizontal/vertical breaks, or
iv. Other similar techniques.
b. Where flat roofs are used, the design or height of the parapet shall include at least one change in setback or height of at least three feet along each 60 linear feet of façade.
c. On all structures exceeding three stories in height, all flat roofs shall be internally drained, and external scuppers and wall drains shall be prohibited.
B. Special Purpose Districts. Industrial buildings with metal as the primary exterior surface material shall have roofs enhanced with a decorative fascia, a roof pitch of 4:12 or greater, projecting gables, or other similar techniques. (Ord. No. 2020-37 § 22, 10-05-2020; Ord. No. 2019-49 § 1, 08-19-2019)