• Grade B Steel Fire Rated Door For Commercial Building Fire Protection
  • Grade B Steel Fire Rated Door For Commercial Building Fire Protection
  • Grade B Steel Fire Rated Door For Commercial Building Fire Protection
  • Grade B Steel Fire Rated Door For Commercial Building Fire Protection
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Grade B Steel Fire Rated Door For Commercial Building Fire Protection

    Grade B steel fire rated door for commercial buildings, industrial facilities and public safety passages. It is designed for reliable fire protection, durable daily use, practical hardware matching and efficient site installation, helping buyers meet fire compartment needs in offices, plants, hospitals and residential projects.

    Steel Fire Rated Door Application And Selection Details

    Product Description

    The Grade B Steel Fire Door is a practical choice for commercial and institutional buildings. With a fire resistance rating of up to 60 minutes, it effectively delays fire spread and smoke penetration. Its galvanized steel build provides excellent durability, while the fire-resistant infill enhances thermal insulation. Ideal for spaces that require reliable safety with everyday usability.

    grade b steel fire rated door

    steel fire door

    Product Features

    • Provides balanced fire protection and durability

    • Galvanized steel structure for extended lifespan

    • Fire-resistant infill ensures insulation

    • Smooth surface finish resistant to scratches

    • Designed for medium-duty use environments

    Specification Table


    ComponentSpecificationFunction
    Door Leaf0.8 mm galvanized steelSolid structure
    Door Frame1.2 mm galvanized steelStrong support
    Fire Resistance60 minutesReliable protection
    Surface FinishPowder coatingSmooth & durable
    Infill MaterialFire-resistant mineral coreHeat insulation
    HardwareLock, hinges, latch boltSecure operation


    fire rated metal door

    grade b steel fire rated door

    steel fire door

    Product Advantages

    • Reliable fire resistance up to 60 minutes

    • Durable and cost-effective steel door solution

    • Corrosion-resistant coating for longer life

    • Easy to install and maintain

    Application Scope

    • Commercial office spaces

    • Residential complexes

    • Educational facilities

    • Healthcare centers

    • Medium-scale industrial sites

    Sizes and colors can be customized according to client requirements!

    Related Fire Door Products

    Buyers comparing this product can also review these related Jiangsu Zhongte fire door solutions for project matching and specification planning.

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