Thermal and Fire Rated Steel Door

Energy Efficient Steel Doors Designed For Safety

Energy Efficient Thermal Doors

The Firedor Thermal Steel Door combines fire protection with high energy efficiency, offering U-values as low as 1.5 W/m²K. CE marked and UKCA certified, it meets strict safety and performance standards while delivering reliable insulation as part of the range.

Compliant With Safety Standards

The Thermal Steel Door meets the latest Part L Building Regulations in England, combining up to E60 fire protection with a low U-value of 1.5 W/m²K. Ideal for projects that demand both fire safety and energy efficiency, this product was previously known as Climador.

UK Net Zero Regulations

To support the UK’s 2050 net-zero target, new regulations demand higher energy performance. Part L of the Building Regulations sets tougher minimum standards for efficiency in both new and existing buildings.

  • Fire ratings up to E60
  • Available as PAS 24:2018
  • 150+ colours
  • Very low U-value as low as 1.5W/M²K

Product Features

Height

Single – 2.762m
Double – 2.762m

Width

Single – up to 1.2m
Double – up to 2.3m

Leaf thickness

44mm deep leaf skin

Thermal Transmittance U-Value

Single – As low as 1.6 W/m2K
Double – As low as 1.5 W/m2K

Acoustic Rating

Up to 36dB rating

Fire Resistance

Fire rating up to E60

Further information

Frame

  • Made from lightweight, high-tensile 1.5 mm Rustec steel, each door features our Adjust-2-Fit side expander system, allowing up to 12 mm adjustment for a perfect fit to the structural opening

Leaf

  • 44 mm door leaf thickness with flush-lipped astragal for added security

  • 1.2 mm Rustec steel sheets for strength and durability

  • Insulated core offers a U value as low as 1.5 W/m²K

Door Ironmongery

  • Mico Modular or MSR available in personnel or panic options

  • Fire tested both sides, except a single door with 2-point panic hardware

Finish

  • Each door is supplied with a durable powder-coated finish in a standard colour

 

Fire Rating

  • Fire-rated up to E60 and UKCA | CE marked to BS EN14351-1 and EN 16034 standards

Acoustic Rating

  • Up to 36dB rating

Personnel Steel Door Configurations

Our personnel steel door configurations are built for versatility, offering tailored solutions that combine strength, security, and reliable performance for any project.

Emergency Exit Door Configurations

Our exit steel door configurations are built for versatility, offering tailored solutions that combine strength, security, and reliable performance for any project.

Over 150 colours available

Any questions about this product?

Advice and quote

Speak to an expert

0123 456 7890