Architectural · A-W8RS8

Bay Window Sill and Cor-Ten Surround Detail

Materials

Steel Cold-formed Steel Weathering Steel (Cor-ten)Timber / Wood Metal (misc.)

Elements

Beams Walls Windows Facades / Cladding Waterproofing / Flashing Insulation Roof / Floor Openings

Connections

HSS Connection Welded Connection

About this detail

A wood window sill transitions to a half-inch thick Cor-ten finish steel window surround with a tapered bottom edge for drainage. The assembly bears on double-by-two lumber blocking and a one-and-a-half by one-and-a-half-inch welded steel angle, anchored over insulation and a two-inch insulated metal panel attached via hat channels to an HSS beam. Below, a steel living wall frame is supported by Unistrut framing, L-brackets, a five-inch diameter steel outringer, and horizontal two-by-six hollow structural sections. Sealant joints, flexible flashing collars, and backer rods are incorporated at penetrations and thermal breaks throughout the framing junctions.

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