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US 2022/0396992 A1Published application
Hardware preparation filler system and method for fire rated doors
AssigneeNational Guard Products, Inc.
InventorsAron Wesley Fleischmann, Jeffrey Wayne Brewer
Life of this patent
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Abstract
A method and system for achieving compliance for a fire-rated door assembly. To comply with fire rated door assembly codes and compliance, all components, including hardware must be listed and labeled by a certification agency, such as Underwriters Laboratories (UL). The disclosure may include a hardware preparation filler solution which allows fire-rated doors to maintain fire rating and compliance when removing or modifying hardware, or converting between hardware types.
Claims14
A method, comprising:
- cleaning a selected cutout portion of a door;
- determining a size of at least one fire rated panel to be installed into the selected cutout portion of the door;
- and
- installing the at least one fire rated panel into the selected cutout portion of the door by applying fire caulk on a perimeter of the at least one fire rated panel.
1 more element
Dependencies are inferred from the claim text.