Architectural · A-GS5NS

Curtain Wall Sill at Classroom Framing and Roof Edge

Materials

Steel Cold-formed Steel Stainless Steel Timber / Wood Metal (misc.)Gypsum / Drywall

Elements

Columns Walls Curtain Walls Roofs Waterproofing / Flashing Insulation Anchors / Embeds Roof / Floor Openings

About this detail

An Efco curtain wall sill member bears on wood blocking and shims installed over metal stud framing with cold-formed steel studs. A one-and-one-quarter-inch by two-and-one-half-inch by one-quarter-inch stainless steel angle trim meets a metal drip edge and roofing membrane edge. Joints are sealed with typical sealant and backer rod. The backup wall consists of insulation, a vapor retarder, five-eighths-inch gypsum wallboard, and one-half-inch sheathing, with the vapor retarder returned to the back of the opening. An Efco 'F' or 'M' clip anchors the curtain wall system per manufacturer requirements, with a roller shade guide and a structural steel column positioned beyond.

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