90-Minute Fire-Rated HM Double Uneven Hollow Metal Doors – 5’0” x 6’8”

Product Highlights

Engineered for maximum spatial flexibility and life-safety compliance, this 90-minute fire-rated 5’0” x 6’8” asymmetrical double door features a 3’0” active leaf for everyday foot traffic paired with a 2’0” inactive leaf for wide-clearance access. Constructed from heavy-duty steel with a fire-resistant insulated core and standard 1 3/4” profile, it delivers high impact resistance, noise reduction, and effortless daily operation.

Constructed from heavy-duty sheet steel, these commercial steel double doors combine the structural strength of solid steel with a highly functional, asymmetrical design. Featuring certified 90-minute fire protection, this setup ensures rigorous building code compliance while providing smooth, reliable daily operation. The fire-resistant insulated hollow metal core offers superior thermal efficiency, temperature control, and sound reduction for high-demand commercial interiors.

Featuring a sleek, modern profile and standard 1 3/4” door thickness, these 5’0” x 6’8” uneven double doors integrate seamlessly into standard commercial openings. Each door assembly comes with a smooth, factory-applied primer finish, ready for custom job-site painting. Designed for complete compatibility with standard fire-rated commercial frames and hardware, these doors offer professional-grade security, durability, and long-term performance.

The Benefits of Uneven Double Doors (Leaf-and-a-Half)

Choosing an uneven double door configuration over a standard, even-split door offers distinct operational and practical advantages for commercial spaces:

• Optimal Everyday Traffic: The 3’0” main leaf functions as a standard, code-compliant single door for daily pedestrian use. Occupants don’t have to squeeze through a narrow opening or push open two doors just to pass through.

• Flexible Wide-Clearance Access: When moving oversized equipment, pallets, or furniture, simply unlatch the 2’0” inactive leaf to utilize the full 5’0” clear opening.

• Reduced Wear and Tear: Because the 2’0” leaf remains securely latched during normal operations, there is significantly less stress on the hinges and automatic closers, extending the service life of your door hardware.

• Improved Energy Efficiency & Fire Containment: Keeping one leaf latched minimizes airflow, helping maintain interior climate control, creating a tight center seal against drafts, and providing localized fire and smoke containment.

Key Features:

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

• Nominal Double Door Size: 5’0” x 6’8” (60” x 80” overall)

• Uneven Leaf Configuration: (1) 3’0” x 6’8” Active Leaf & (1) 2’0” x 6’8” Inactive Leaf

• Actual Door Sizes:

  • 3’0” Leaf: 35 3/4” W x 79 1/8” H

  • 2’0” Leaf: 23 3/4” W x 79 1/8” H

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

• Construction: Heavy-duty hollow metal (HM) steel for maximum impact resistance

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

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

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

Rough Opening Guidelines:

Determine your frame style prior to framing your wall opening:

• Wrap Around Type (Most Common):

  • Application: Standard drywall/metal stud wall construction.

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

  • Calculated Rough Opening: 62” W x 81 1/8” H

• Butt Up Type:

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

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

  • Calculated Rough Opening: 64 1/4” W x 82 1/8” H

These 5’0” x 6’8” 90-minute fire-rated HM double uneven hollow metal doors are an excellent choice for commercial projects requiring versatile access, rigorous fire safety, and dependable security, making them a leading solution for U.S. commercial entrances.