Architectural · A-9V6TB

Sheet Metal Coping Cap at Parapet Wall

Materials

Concrete Timber / Wood Masonry / CMU Metal (misc.)

Elements

Walls Roofs Parapets Waterproofing / Flashing Drainage Reinforcing

About this detail

A sheet metal coping cap with standing seams slopes to drain towards the roof at a minimum of one-quarter inch per foot. The coping sits atop wood blocking fastened to an existing parapet wall whose substrate varies between six and eighteen inches wide. Damaged wood is replaced as necessary using pressure-treated lumber for any areas in contact with concrete or masonry, with structural attachment per engineering requirements. A reinforced membrane flashing is mechanically attached with gasketed fasteners spaced at twelve inches on center. A continuous four-inch minimum galvanized metal cleat is secured with galvanized annular ring shanks at three inches on center, and adhesive extends one-half inch below the nailer. A minimum eight-inch parapet height from the finish surface of the roof must be maintained unless noted otherwise.

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