90-Minute Fire-Rated Hollow Metal Double Doors – 6’0” x 6’8”

90-Minute Fire-Rated Hollow Metal Double Doors – 6’0” x 6’8”

Constructed from heavy-duty sheet steel, these 90-minute fire-rated HM double doors deliver superior life-safety protection without compromising operational ease. Combining maximum structural strength with a smooth, lightweight-feeling operation, they ensure reliable performance under demanding daily use. The fire-resistant, insulated core provides exceptional thermal efficiency, noise reduction, and essential fire-containment capabilities for commercial and industrial interiors.

Featuring a sleek, modern profile and standard 1 3/4” door thickness, this 6’0” x 6’8” double door assembly integrates seamlessly into standard commercial openings. Each door comes with a smooth, factory-applied primer, ready for job-site painting to match your project’s aesthetic. Built for complete compatibility with standard fire-rated frames and hardware, these doors deliver professional-grade durability, security, and building code compliance.

Key Features:

• Fire Protection: Certified 90-Minute Fire-Rated for enhanced life safety and code compliance

• Nominal Double Door Size: 6’0” x 6’8” (72” x 80”)

• Single Door Size: 3’0” x 6’8” (36” x 80”)

• Actual Door Size: 35 3/4” x 79 1/8” per door

• Door Thickness: Standard 1 3/4” commercial profile

• Construction: Heavy-duty hollow metal (HM) steel

• Application: Ideal for high-traffic commercial & industrial openings

• Insulated Core: Fire-resistant, energy-efficient core offers excellent thermal control and sound attenuation

• Finish: Factory-primed and ready for custom paint application

• Security: High impact resistance, security, and long-term structural integrity

• Standard Fit: Compatible with standard commercial frames and hardware; trusted nationwide

Rough Opening Guidelines:

To ensure proper installation, determine your frame style prior to framing your wall opening:

• Wrap Around Type (Most Common):

  • Application: Standard stud wall construction (drywall/metal stud framing).

  • Calculation: Add 2” to total door width and 1 1/8” to door height.

  • Calculated Rough Opening: 74” W x 81 1/8” H

• Butt Up Type:

  • Application: New masonry construction where the frame is installed directly between concrete/CMU blocks.

  • Calculation: Add 4 1/4” to total door width and 2 1/8” to door height.

  • Calculated Rough Opening: 76 1/4” W x 82 1/8” H

These 6’0” x 6’8” 90-minute fire-rated HM double hollow metal doors are the ultimate solution for commercial projects requiring wide clearance, rigorous fire safety, and dependable security, making them a top-tier choice for commercial steel entrances across the United States.