Mechanical · M-4AK2V

Typical Louver and Wall Penetration Detail

Materials

Timber / Wood Metal (misc.)

Elements

Walls Insulation Drainage

Connections

Welded Connection

About this detail

A twelve-inch long watertight sheet metal sleeve penetrates the exterior wall assembly and secures to the wood framing with screws on the top and sides. The ductwork welds to the sleeve to provide a continuous, watertight bottom and side connection, with the bottom sloping toward the drain. A louver with vertical blades mounts to the exterior face, incorporating flashing, counter flashing, and sealant per the architectural wall assembly. Insulation and jacketing wrap the ductwork past the interior framing.

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