DuraVent - DuraTech 6" Square Ceiling Support Box with Attic Insulation Shield
Use with flat, vaulted or cathedral ceilings where there is an attic space above. Supports up to 40’ of DuraTech Chimney. The additional Insulation Collar now enables the support box to be qualified as an Attic Insulation Shield. The additional Attic Insulation Shield (DT-AIS) is not required with these support boxes.
Available box heights : 24" & 36"
Typical Installation(If Required)
Refer to our Typical Installation drawings to select the required component parts for your installation.
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