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DuraTech Insulated Reduced Clearance Support box by Duravent


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Use to support chimney with flat, vaulted, or cathedral ceiling. Certified to reduce clearances from 2″ to just 1″ for any portion of chimney shielded within the support’s box. Note: Any exposed chimney above the support still requires minimum 2″ clearances-to-combustibles. Reduced clearance allows for smaller opening & frame within ceiling. Support can also serve as the Attic Radiation Shield. Includes top collar as shown, insulation, and two-piece adjustable black finish trim. Integrated adapter accepts either single-wall or double-wall stovepipe.

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