Retaining original roof materials and configuration is important because it contributes to the character of a historic building. The form of the roof (gable, hipped, gambrel, flat, or mansard) is significant, as are its decorative and functional features (such as original gutter systems, cupolas, cresting, parapets, monitors, chimneys, weather vanes, dormers, ridge tiles, and snow guards), roofing material (such as slate, wood, clay tile, metal, roll roofing, or asphalt shingles), and size, color, and patterning. When located within a district, alterations can impact the pattern of similar roofs along the block face.
Maintenance and Repair
The synthetic slate roof on the Grainbelt Brewery in Minneapolis is nearly identical to the original slate roof given the height and scale of the building.
Replacement of asphalt shingle roofs whether 3 tab, rolled, or architectural shingle is allowed with any of these three types of asphalt shingle products such that the profile and design of the new shingle product matches the existing or a documented original appearance.
Rolled Roofing
Asphalt Shingle
Architectural Shingle
Rooftop Alterations
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