Fire-Rated Double Door Assembly - Technical Diagram & Specifications #2286227 (License: Personal Use)

This line drawing illustrates a fire-rated double-leaf door system, featuring two adjacent door leaves connected by a central mullion, with vertical hardware components such as hinges, latches, and closers clearly marked. The right-side elevation shows depth, frame thickness, and mounting details for installation verification. Designed for compliance with building codes requiring fire resistance in egress corridors and stairwells.

Used on architectural specification pages, fire safety documentation, or manufacturer product sheets to communicate structural and hardware requirements for commercial or institutional buildings; matches user intent for technical validation, code compliance, or procurement.