double fire doors

**90-Minute Fire-Rated Double Steel Door – Commercial Grade** Commercial-grade **double fire-rated steel door assembly**, suitable for commercial, industrial, condominium, mechanical room, and other applications requiring a **90-minute fire rating**. **Specifications:** * Door Type: Commercial Flush Double Door * Material: **18-Gauge A40 Galvanized Steel** * Core: **Polystyrene Insulated Core** * Fire Rating: **90-Minute Fire Label** * Overall Opening/Door Size: **8'2" × 6'8"** * Net Door Size: **80" × 96" × 1-3/4"** * Door Thickness: **1-3/4"** * Lock Preparation: **161 Lock Prep** * Hinges: **Self-Closing Hinges** * Vision Lites: **12" × 12"** * Configuration: **Double Door / Pair** Heavy-duty commercial construction designed for durability and fire-rated applications.