Square Ceiling Support Box & Trim Collar - 36" tall
The DuraPlus Square Ceiling Support Box is durably constructed of .018” galvanized steel outer walls, a .018” aluminized steel intermediate liner, and a .016” 430 stainless steel liner. It can be used on flat, vaulted, or cathedral ceiling installations. This DuraPlus component supports up to 40’ of chimney pipe with a built in starter section. The Square Ceiling Support box features a sleek black finish to add pleasing aesthetics to the fully functional build.