Thermal & Fire Rated Steel Doors

Thermal and fire rated steel doors offer dual performance for regulated environments

Product Overview

Thermal and fire rated steel doors combine two critical performance characteristics into a single door set. These doors are commonly used in commercial buildings where fire compartmentation is required alongside improved thermal performance.

For installers, thermal and fire rated steel doors offer a practical and efficient solution supplied as complete door sets. From a trade perspective, these doors deliver long-term value by meeting safety, energy and durability requirements.

Fire Rating: Up to 120 minutes
U-Value: Approx. 1.5 W/m²K
Core: Fire-rated insulated composite
Thermal & Fire Rated Steel Doors
Advantages

Key Trade Benefits

Fire resistance

Thermal efficiency

Simplified specification

Accreditations & Certifications
ISO certification — Strongdor thermal and fire rated doorsCE marking — thermal and fire rated steel doors
Specifications

Technical Details

Full specification details for this door type. All doors are manufactured to order and can be tailored to your project requirements.

SpecificationDetails
Fire RatingUp to 120 minutes
U-ValueApprox. 1.5 W/m²K
CoreFire-rated insulated composite
Door ConfigurationSingle / Double
Thermal & Fire Rated Steel Doors — front view
Thermal & Fire Rated Steel Doors — detail view
FAQ

Frequently Asked Questions

A door combining fire resistance and thermal insulation.

Commercial buildings and regulated environments.

Yes, depending on specification.

Typically 30 to 120 minutes.

Yes, by combining multiple performance requirements.

Yes, fire-rated vision panels are available.

They support UK compliance when correctly installed.

Contractors and commercial specifiers.

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