Lightweight flame resistant composite panel and panel attachment system

A lightweight, flame resistant composite panel comprising:

• a body portion and a side portion, the side portion including one or more panel apertures for receiving one or more fasteners, the one or more panel apertures being adjacent to an edge of the body portion;
• and
• an edge reinforcement insert applied to the side portion of the panel body, the edge reinforcement insert including one or more insert apertures for receiving the one or more fasteners, the edge reinforcement insert being positioned relative to the side portion such that the one or more insert apertures are aligned with a corresponding one or more of the panel apertures, respectively.

A lightweight, flame resistant composite panel comprising:

• a body portion including one or more panel apertures for receiving one or more fasteners, the body portion being of uniform thickness;
• and
• an edge reinforcement insert contained within the body portion, the edge reinforcement insert including one or more insert apertures for receiving the one or more fasteners, the edge reinforcement insert being positioned relative to an edge of the body portion such that the one or more insert apertures are aligned with a corresponding one or more of the panel apertures, respectively.