Architectural · A-FEJ7Y

TPO Roof Edge and Gravel Stop at Elevator Overrun

Materials

Timber / Wood Metal (misc.)Membrane / Roofing

Elements

Roofs Decks Waterproofing / Flashing Insulation

Connections

Welded Connection Deck Attachment

About this detail

The roof assembly features a one-and-a-half-inch metal deck supporting a six-inch layer of rigid insulation providing an R-30 thermal value, overlaid with typical TPO membrane roofing. A continuous sheet metal backing is secured over the roof edge, capped with a TPO membrane roofing strip featuring heat-welded laps with a four-inch minimum overlap. A metal gravel stop with a hemmed edge, painted to match the TPO roofing, is anchored at the perimeter. A continuous cleat is secured at sixteen inches on center along the vertical face. The exterior wall below incorporates exterior sheathing and R-21 batt insulation.

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