Architectural · A-QC8KW

Roof Overhang and Crown Section with Extruded Aluminum Blades

Materials

Steel Timber / Wood Aluminum Metal (misc.)

Elements

Walls Facades / Cladding Roofs Waterproofing / Flashing Millwork / Casework Connections / Plates

About this detail

A standing seam metal roof assembly bears on a substrate with self-adhered underlayment and variable-height metal supports. The roof overhang transitions to an exterior wall featuring flush metal wall panels over exterior sheathing, a weather barrier, and a vapor barrier. Inside closures are sealed and secured with sealant, complemented by a flexible sheet membrane and aluminum trim fastened with sealing washers or rivets at twelve inches on center maximum with a continuous bead of non-skinning butyl tape or sealant. A structural steel beam supports the overhang assembly. Externally, an aluminum plate outrigger and painted steel bracket anchor extruded painted aluminum louvers spaced one foot four inches typical, incorporating thermal break shims.

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