Architectural · A-JQTXG

Curtain Wall Threshold at CLT Terrace Roof

Materials

Concrete Timber / Wood Glass / Glazing Metal (misc.)Membrane / Roofing

Elements

Columns Walls Curtain Walls Roofs Floors / Slabs Waterproofing / Flashing Insulation Drainage Site / Paving

About this detail

A glazed curtain wall threshold meets a cast-in-place concrete curb atop a cross-laminated timber roof assembly. The interior floor features a finish floor over an acoustic mat and structural support fill on multi-ply cross-laminated timber panels. The exterior terrace consists of pavers set on adjustable paver pads over a two-ply styrene-butadiene-styrene waterproofing membrane system, minimum 5-inch tapered insulation foam board, vapor impermeable self-adhered styrene-butadiene-styrene membrane with torched laps, and five-ply cross-laminated timber panelling. A prefinished sheet metal flashing, self-adhered flashing, and joint sealant with backer rod integrate the curtain wall base with the exterior waterproofing layers. Shims support the glazed curtain wall framing above the four-inch high concrete curb.

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