Single Wall Non-Welded Grease Duct/Chimney Systems Installation, Operation, and Maintenance Manual
Please see below link for the current Non-Welded Grease Duct/Chimney Systems Installation, Operation, and Maintenance Manual:
This manual applies to UL-1978 Listed Grease Exhaust Duct for Kitchen Ventilation Systems, as well as UL-2561 Chimney Duct.
Please NOTE, this is the manual for Single Wall ductwork only. Please reference the double wall ductwork manual elsewhere in this category for UL-2221, UL-103HT, and similar double wall products.