New Construction Solutions

Which DBX dryer vent boxes are approved for a 1 hour firewall system?

While the DBX 1000 Dryer Vent Box meets UL Standards for 94 HB Flammability Testing and is recognized by Underwriters Laboratories, it is not suitable for fire walls. The DBX1000M-4 and the DBX1017FR are approved for a 1-hour firewall system. Please see installation instructions.

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