Architectural · A-YVB64

Roof Maintenance Tie-Off Penetration Flashing Detail

Materials

Steel Stainless Steel Timber / Wood Aluminum Gypsum / Drywall

Elements

Roofs Waterproofing / Flashing Connections / Plates Reinforcing

Connections

Welded Connection

About this detail

A lifeline stanchion penetrates the roof assembly, supported by structural steel framing referenced from structural drawings. The roof buildup consists of five-eighths inch Type X gypsum sheathing, a vapor retarder, cover board, and directly adhered PVC membrane roofing. A two-piece flashing boot seals around the stanchion, secured at the top with a stainless steel hose clamp, elastomeric joint sealant, and optional aluminum tape. The flashing membrane extends down to the roof deck, secured by a termination bar and hot air welds, with pressure-treated wood blocking provided for membrane attachment as required by the roofing manufacturer for warranty.

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