Building Design and Construction

Esthetic Considerations

While esthetics typically is not of concern for low-slope roofs, it generally is with  steep-slope roofs. For some low-slope roofs, an attractive roof is also desirable.
Where esthetics is an issue, special effort is needed to achieve the desired goal.
For example, a clean white roof may look good for a year or two. But after it has deposits of wind-blown dirt, or from contaminants exhausted from mechanical equipment, or from sediment from ponded water, it may look less attractive. If a more uniform appearance is desired, an aggregate-surfaced built-up roofing or ballasted (with aggregate or pavers) single-ply membrane may be specified.
To be sure that a proposed design will produce the desired look, designers should visit an existing roof that has a similar roof covering to determine if expectations will likely be met.

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