An acoustical transfer duct routes air through a full height wall into a return air ceiling plenum while maintaining sound control. The duct features a one inch interior duct liner for acoustic absorption. Openings in the top of the duct match the size of the transfer duct and maintain specific minimum clearances from the wall partition on both sides. A transfer grille is installed to allow airflow through the assembly below the ceiling line.
OPENING IN TOP OF DUCT SAME SIZE AS TRANSFER DUCT RETURN AIR CEILING PLENUM STRUCTURE CEILING 1" DUCT LINER TRANSFER GRILLE FULL HEIGHT WALL 4' MINIMUM 4' MINIMUM 3' MINIMUM 3' MINIMUM
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