Architectural · A-DMMQ8

Wall-Mtl-Int-Linen Chute

Materials

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

Elements

Beams Walls Doors Stairs Roofs Waterproofing / Flashing

Connections

Welded Connection

About this detail

A linen chute penetrates a wood-framed roof and interior wall assembly. A vent riser extends a minimum of three feet above the roof level, detailed with a slip joint to allow for thermal expansion inside the roof flashing. The flashing consists of sixteen-gauge galvanized sheet metal base flashing extending six inches over the roofing, heat-welded to the TPO roof membrane. Framing elements include LVL double blocking and I-joist framing, with two-hour fire caulking at all transitions. The interior portion holds the chute away from the structure to prevent contact, supported by glass fiber isolators such as Model AC-222 by Kinetics. Additional notes specify the application of duct liner board, acoustical sealant, a retarder at the hopper door to prevent impact damage, soundcoat coating, and airtight fire caulking joints.

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