Architectural · A-NYFGJ

Precast Panel Parapet and Lightning Protection Detail

Materials

Concrete Steel Stainless Steel Timber / Wood Metal (misc.)Gypsum / Drywall

Elements

Walls Roofs Parapets Waterproofing / Flashing Insulation Drainage Anchors / Embeds

Connections

Welded Connection

About this detail

This wall and parapet detail features a painted insulated precast concrete panel topped with fire-retardant treated wood blocking and a premanufactured metal coping. Self-adhered flashing membrane is applied continuously between the wood blocking and the concrete. A premanufactured PVC boot is heat-welded to the membrane at the perimeter to accommodate a lightning protection rod set on a base. The assembly includes a twenty-gauge stainless steel anchor bracket extending behind the coping cleat, secured with Tap-Con screws, and routed through the wall membrane via a stainless steel hose clamp. Additional waterproofing elements include a fully adhered membrane wall flashing, a prefinished metal counter flashing set in a continuous bed of sealant, and a termination bar.

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