Architectural · A-44E3S

Roof Screen Support Penetration at Single-Ply Membrane Roof

Materials

Concrete Steel Metal (misc.)Membrane / Roofing

Elements

Columns Roofs Decks Waterproofing / Flashing Insulation

Connections

HSS Connection Welded Connection Deck Attachment

About this detail

A wide-flange post roof screen extends through the roof assembly, supported by hollow structural section steel framing welded with a one-and-a-half-inch minimum weld. The roof assembly consists of concrete over a metal deck, structural framing, rigid insulation with protection board, and a single-ply membrane roofing system. Waterproofing is achieved using a square TPO split pipe boot secured with stainless steel draw band clamps, umbrella flashings, and a continuous sealant bead. The clamp screw is positioned at the center of the side tubing. The entire assembly maintains a minimum eight-inch clearance above the roof deck, with an overall vertical dimension of two feet, one inch.

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