Collection: Insulated Steel Doors

Steel doors are available in a wide range of specifications to suit different security, fire, thermal, and acoustic requirements. Choosing the correct type of steel door depends on the location, risk level, compliance needs, and how the door will be used day to day.

Security Rated Insulated Steel Doors

Security rated steel doors are tested to recognised standards such as PAS24, LPS 1175 and Secured by Design. They are designed to resist forced entry and are commonly used in commercial premises, warehouses, schools, and high risk locations. Options include reinforced frames, heavy duty locks, anti jemmy features, and multi-point locking systems.

Fire Rated Insulated Steel Doors

Fire rated steel doors provide certified fire resistance, typically rated for FD30, FD60, FD90, or FD120. They are used to protect escape routes, compartmentalise buildings, and meet fire safety regulations. Fire doors can be supplied with vision panels, closers, panic hardware, and smoke seals where required.

Acoustic Insulated Steel Doors

Acoustic steel doors are designed to reduce sound transmission between rooms or areas. They are commonly installed in plant rooms, music venues, cinemas, and industrial environments. These doors combine dense steel construction with acoustic infill and specialist seals to achieve measured sound reduction performance.

Thermally Insulated Rated Steel Doors

Thermally insulated steel doors help reduce heat loss and improve energy efficiency. They are ideal for external doors, cold rooms, and environments where temperature control is important. Insulated cores and thermal breaks help minimise condensation while improving comfort and compliance with building regulations.

Louvered Insulated Steel Doors

Louvered steel doors allow airflow while maintaining security. They are typically used in plant rooms, electrical cupboards, and service areas where ventilation is required. Louvres can be fixed or weather rated depending on the application.

Custom & Specialist Insulated Steel Doors

Steel doors can also be manufactured to bespoke sizes and specifications, including oversized doors, multi-leaf sets, glazed steel doors, and doors with automation or access control. Finishes, colours, and hardware can be customised to suit both functional and aesthetic requirements.

Steel doors can be fully customised to meet specific security, performance, and design requirements. Whether the priority is high security, fire compliance, thermal performance, or visual appearance, steel doors can be manufactured to suit the exact needs of the building and application.

Sizes & Configurations

Steel doors are available in single leaf, double leaf, and multi-leaf configurations, with made to measure sizes to fit new builds or existing openings. Options include outward or inward opening doors, flush or rebated frames, and over panels or side screens where required.

Finishes & Colours

Doors can be powder coated in a wide range of standard RAL colours, allowing them to blend with surrounding architecture or meet branding requirements. Galvanised finishes and specialist coatings are available for external or harsh environments, improving corrosion resistance and lifespan.

Vision Panels & Glazing

Vision panels can be added for safety, visibility, or compliance. Glazing options include clear, frosted, wired, fire rated, and security glass, with various shapes and sizes available to suit the application.

Hardware & Access Control

Steel doors can be fitted with a wide range of hardware, including heavy duty locks, panic bars, closers, hinges, and door furniture. Integration with access control systems, keypads, intercoms, and automation is also available for controlled or high traffic areas.

Bespoke & Specialist Requirements

For non standard applications, steel doors can be designed with enhanced acoustic insulation, thermal cores, louvres, or security upgrades. Custom specifications ensure compliance with relevant standards while delivering a durable, long term solution.

Steel doors are used across a wide range of sectors where strength, durability, and compliance are essential. Their versatility makes them suitable for both internal and external use, in low risk environments through to high security locations.

Commercial Buildings

Steel doors are commonly installed in offices, retail units, shopping centres, and public buildings. They are used for staff entrances, rear access doors, fire exits, and service areas, providing reliable security while meeting fire and building regulations.

Industrial & Warehouse Settings

In warehouses, factories, and distribution centres, steel doors are used for loading areas, plant rooms, and secure access points. Their robust construction allows them to withstand heavy use, impacts, and demanding working environments.

Education & Healthcare

Schools, colleges, hospitals, and care facilities use steel doors for fire compartmentation, secure access, and controlled movement of people. Options such as fire doors, vision panels, and panic hardware support safety and compliance.

Residential & High Risk Locations

Steel doors are increasingly used in apartment blocks, plant rooms, bin stores, and high risk residential areas. Security rated and thermally insulated doors provide enhanced protection without compromising appearance.

Plant Rooms & Service Areas

Louvered and specialist steel doors are ideal for plant rooms, electrical cupboards, and utility spaces where ventilation, fire resistance, or restricted access is required.

Steel doors are designed to deliver long-term security, reliability, and compliance across a wide range of applications. Their construction and performance characteristics make them a preferred choice for commercial, industrial, and high risk environments.

High Strength & Security

Manufactured from galvanised steel, steel doors provide excellent resistance to forced entry, impact, and vandalism. Security-rated options are tested to recognised standards, offering peace of mind for high risk locations.

Fire & Safety Compliance

Fire rated steel doors help protect escape routes and compartmentalise buildings. Certified fire resistance options support compliance with current fire safety and building regulations.

Durability & Low Maintenance

Steel doors are built for frequent use and harsh conditions. They resist warping, cracking, and weather damage, requiring minimal maintenance over their lifespan.

Thermal & Acoustic Performance

Insulated and acoustic steel doors help reduce heat loss and control noise transmission, improving comfort, energy efficiency, and environmental performance.

Versatile Design Options

Available in a wide range of sizes, finishes, and configurations, steel doors can be customised with vision panels, louvres, and specialist hardware to suit both functional and aesthetic requirements.

Long Term Value

With a long service life and strong performance, steel doors offer excellent value for money when compared to timber or composite alternatives.

Steel doors play a critical role in building safety and regulatory compliance, particularly in commercial, industrial, and public sector environments. When correctly specified and installed, they help meet key security, fire, and building regulation requirements.

Fire Safety Compliance

Fire-rated steel doors are tested and certified to recognised standards, providing fire resistance ratings such as FD30, FD60, FD90, and FD120. These doors help protect escape routes, limit the spread of fire and smoke, and support compliance with current fire safety legislation and building regulations.

Security Standards

Security steel doors can be tested to recognised standards such as PAS24, LPS 1175 and Secured by Design. These ratings confirm resistance to forced entry and are commonly required for high risk sites, insurance compliance, and commercial security specifications.

Building Regulations & Performance

Steel doors can be manufactured to meet requirements for thermal performance, accessibility, and durability. Options are available to support Part B (Fire Safety), Part L (Energy Efficiency), and Part M (Accessibility) where applicable.

Safe Operation & Hardware

Doors can be supplied with compliant hardware including panic bars, emergency exit devices, door closers, and vision panels. Correct specification ensures safe day to day use and compliance in public and high-occupancy buildings.

Professional Installation & Certification

Proper installation is essential to maintaining certification and safety performance. Steel doors should be installed and maintained in line with manufacturer guidelines to ensure ongoing compliance and reliability.

Correct installation and ongoing maintenance are essential to ensure steel doors perform as intended for security, safety, and longevity. Steel doors can be supplied for professional installation or on a supply only basis for experienced installers and contractors.

Professional Installation

Steel doors are typically installed by trained engineers to ensure correct alignment, fixings, sealing, and hardware operation. Professional installation is especially important for fire-rated and security-rated steel doors, as incorrect fitting can invalidate certification and compromise performance.

Supply Only & Self Fit Steel Doors

Steel doors are also available on a supply only or self fit basis, suitable for competent tradespeople and experienced installers. Accurate site measurements, correct preparation of the opening, and adherence to manufacturer installation guidelines are critical. Fire rated and security rated doors must be installed exactly as specified to maintain compliance and certification.

Maintenance & Servicing

Steel doors require minimal maintenance but benefit from routine inspection. Recommended checks include hinges, locks, closers, seals, and fixings to ensure smooth operation and continued safety. Periodic servicing helps extend lifespan, prevent faults, and maintain compliance, particularly in high-use or external environments.

Long Term Reliability

With correct installation and basic maintenance, steel doors provide many years of reliable performance, making them a cost effective and durable security solution.

The cost of a steel door depends on the door type, size, specification, certification requirements, and whether installation is included. Steel doors are available as supply only or fully installed solutions, allowing flexibility to suit different budgets and project needs.

Indicative Steel Door Prices (UK)

The prices below are guide prices only and exclude VAT unless stated.

• Standard Steel Security Door (Supply Only):
  From £450 – £750
• Security Rated Steel Door (LPS / SBD):
  From £900 – £1,800
• Fire Rated Steel Door (FD30 / FD60):
  From £700 – £1,500
• Thermally Insulated Steel Door:
  From £850 – £1,600
• Acoustic Steel Door:
  From £1,200 – £2,500
• Louvered Steel Door:
  From £650 – £1,200
• Fully Installed Steel Door (Typical):
  From £1,200 – £3,500+, depending on specification and site conditions

What Affects the Price?

Steel door pricing is influenced by:

• Door size and configuration (single or double leaf)
• Security or fire rating requirements
• Hardware (locks, panic bars, closers, access control)
• Finish and colour
• Glazing, louvres, or specialist features
• Installation complexity and site access

Supply Only vs Installed

Supply only steel doors offer a lower upfront cost and are suitable for experienced installers and contractors. Installed solutions provide full peace of mind, ensuring correct fitting, compliance, and certification where required.

Getting an Accurate Price

For an accurate quotation, site details, dimensions, and performance requirements are needed. This ensures the steel door meets both budget and compliance expectations.