Collection: Steel Louvre Doors

Steel louvre doors are available in a range of configurations depending on ventilation requirements, security level, and fire performance. The correct type should align with the building’s risk assessment and operational needs.

Standard Steel Louvre Doors

Designed to provide natural ventilation while maintaining basic structural strength.

Commonly used in:

• Plant rooms
• Boiler rooms
• Electrical intake rooms
• Service cupboards

Suitable where ventilation is required without enhanced security certification.

PAS 24 Steel Louvre Doors

Tested to PAS 24 for enhanced security performance.

• Typically specified in:
• Residential developments
• Apartment blocks
• Mixed use buildings

Provides resistance to opportunist forced entry while allowing airflow.

LPS 1175 Rated Steel Louvre Doors (Up to Level 3)

Engineered for higher-risk applications and tested to LPS 1175 (Issue 7 / Issue 8).

Available up to Level 3 (SR3 / C5 equivalent depending on issue), offering graded resistance to more determined attack.

Used in:

• Infrastructure sites
• Data centres
• Utility buildings
• Higher-value plant areas

Fire Rated Steel Louvre Doors

Designed to provide fire resistance while maintaining ventilation.

Available with:

• Fire ratings up to 2 hours
• Compatible fire rated louvre systems

PAS 24 fire rated configurations (where certified)

Used where both airflow and compartmentation are required.

Single and Double Leaf Louvre Doors

Available as:

• Single leaf doors for standard openings
• Double leaf doors for wider plant access

All configurations must remain within tested certification scope.

External Steel Louvre Doors

Designed for outdoor installations and may incorporate:

• Weather-resistant louvre systems
• Insulated cores
• External performance compliance

Steel louvre doors can combine ventilation with security and fire certification, ensuring airflow requirements are met without compromising protection or regulatory compliance.

Steel louvre doors can be tailored to meet specific ventilation, security, and fire performance requirements, provided all configurations remain within the scope of certified test evidence (e.g. LPS 1175, PAS 24, or fire testing standards).

Louvre Configuration

• Full louvre panels (maximum airflow)
• Partial louvre sections (combined solid and ventilated areas)
• Adjustable or fixed blade systems (where applicable)
• Custom louvre sizing based on airflow requirements

Ventilation area can be engineered to meet plant room airflow calculations.

Security Rating Options

Available with certified security performance:

• PAS 24 – Enhanced residential security
• LPS 1175 up to Level 3 – Graded attack resistance
• Secured By Design

Reinforced louvre designs prevent unauthorised access through ventilation openings.

Fire Rated Options

Where required, steel louvre doors can be specified as:

• Fire rated Louvre Doors up to 2 hours
• PAS 24 fire-rated configurations (where certified)

Fire rated louvre systems must be tested as part of the complete door set.

Door Configuration

• Single leaf doors
• Double leaf doors
• Made-to-measure sizing
• Side panels or overpanels (where certified)

Hardware and Locking

Options may include:

• Multi point locking systems
• High security cylinders
• Lever handles
• Panic hardware (BS EN 1125 / BS EN 179)
• Electric locking and access control integration

All hardware must be compatible with security or fire certification.

External Performance Enhancements

For outdoor installations:

• Weather resistant louvre systems
• Insulated cores
• Thermal breaks

Compliance with external door standards (where required)

Finish and Appearance

• Polyester powder coated finishes
• Wide RAL colour selection
• Frame and leaf colour matching

Steel louvre doors can combine ventilation performance with certified security and fire resistance, allowing airflow to be achieved without compromising protection, compliance, or durability.

Steel louvre doors are specified where controlled ventilation and physical protection are required simultaneously. They are commonly used in environments that house mechanical, electrical, or heat generating equipment.

Plant Rooms

Installed to provide airflow for:

• HVAC equipment
• Pumps and compressors
• Mechanical services

Reinforced louvre systems prevent unauthorised access while allowing ventilation.

Boiler Rooms

Used where combustion appliances require airflow for safe operation.

Fire rated louvre doors may be specified to maintain compartmentation while meeting ventilation requirements.

Electrical Intake Rooms and Switch Rooms

Provide necessary ventilation for:

• Transformers
• Switchgear
• Distribution boards

Higher security ratings (e.g. LPS 1175 Level 3) may be specified for critical infrastructure.

Commercial and Industrial Buildings

Installed in:

• Service corridors
• Maintenance areas
• Storage areas requiring airflow
• Warehouse plant enclosures
• Durable construction suits high-traffic environments.

Residential and Multi Occupancy Developments

Specified for:

• Bin stores
• Utility cupboards
• Communal plant rooms

Often compliant with PAS 24 where enhanced security is required.

Infrastructure and High Risk Sites

Used in:

• Data centres
• Utility buildings
• Telecom sites
• Energy facilities

LPS 1175 rated louvre doors provide certified attack resistance while allowing equipment cooling.

External Ventilated Enclosures

Installed in outdoor plant compounds and service yards where ventilation and weather resistance are both required.

Steel louvre doors are selected wherever buildings require airflow for equipment or services while maintaining certified security, fire resistance, or environmental performance.

Steel louvre doors are engineered to deliver controlled ventilation without compromising security, durability, or fire performance, making them ideal for plant and service environments.

Integrated Ventilation

Incorporate reinforced louvre panels to allow continuous airflow.

Benefit: Maintains cooling and airflow for plant, boiler, and electrical rooms while keeping the area secure.

Certified Security Options

Available with:

• PAS 24 enhanced security
• LPS 1175 ratings up to Level 3
• Secured By Design

Benefit: Independently tested resistance to forced entry, suitable for higher risk or insurer driven applications.

Fire Rated Configurations

Can be specified as fire rated door sets up to 2 hours, including PAS 24 fire rated options (where certified).

Benefit: Provides ventilation while maintaining compartmentation and fire protection.

Heavy Duty Steel Construction

Manufactured from reinforced steel leaf and frame assemblies.

Benefit: High impact resistance, vandal resistance, and long service life in demanding environments.

Flexible Configurations

Available as:

• Single leaf doors
• Double leaf doors
• Partial or full louvre panels

Benefit: Adaptable to airflow requirements and building layouts.

Suitable for External Use

Can include weather resistant louvre systems and insulated cores.

Benefit: Reliable performance in exposed environments while maintaining ventilation.

Compatible with Access Control

Can integrate with:

• Electric locking systems
• Access control devices
• Panic hardware (where required)

Benefit: Maintains secure access control while allowing safe egress.

Wide Range of Finishes

Available in a broad range of powder coated RAL colours.

Benefit: Matches architectural design without compromising performance.

Steel louvre doors provide a practical solution where ventilation, security, and fire protection must work together, delivering certified performance and long term durability.

Steel louvre doors must comply with relevant security, fire, escape, and external product standards, depending on their intended use and performance specification. Because they incorporate ventilation openings, certification must apply to the complete door set, including the louvre system.

Security Certification (If Specified)

Where enhanced security is required, steel louvre doors may be tested to:

• PAS 24 – Enhanced residential security performance
• LPS 1175 (Issue 7 / Issue 8) – Graded resistance to forced entry (up to Level 3 and above)
• Secured By Design

The louvre panels themselves must be reinforced and included within the certified test configuration. Retrofitted or non-certified louvre inserts can invalidate security compliance.

Fire Resistance (If Fire Rated)

Where fire protection is required, steel louvre doors must be tested as complete door sets to:

• BS EN 1634-1 – Internal fire doors
• BS EN 16034 – External fire-resisting doors (used with BS EN 14351-1)

Fire rated louvre systems must be certified as part of the tested assembly. Ratings may be available up to 2 hours, depending on specification.

Smoke Control (If Required)

If smoke performance is specified:

• Doors may require smoke seals
• Must comply with relevant smoke leakage standards (e.g. EN 1634-3)

Smoke control performance must not be compromised by ventilation configuration.

Emergency Escape Compliance (If Applicable)

If the louvre door forms part of an escape route, hardware must comply with:

• BS EN 1125 – Panic exit devices
• BS EN 179 – Emergency exit devices

Security features must not restrict safe internal egress.

External Door Compliance

For externally installed steel louvre doors:

• Must comply with BS EN 14351-1 (external pedestrian doorsets)

Fire-resisting versions must also comply with BS EN 16034CE and/or UKCA marking and Declaration of Performance (DoP) required where applicable

Building Regulations

Steel louvre doors must align with:

• Approved Document B (Fire Safety) – where fire performance is required
• Approved Document M – accessibility (if used on accessible routes)

Ventilation requirements specified by mechanical design or plant calculations

Installation Compliance

To maintain certification:

• Installation must follow manufacturer instructions
• Frame fixings must match tested detail
• Fire-stopping must be correctly applied (if fire-rated)
• No unauthorised modifications to louvre panels or hardware

When correctly specified and installed, steel louvre doors can provide certified ventilation, security, and fire performance while meeting UK Building Regulations and recognised testing standards.

Steel louvre doors must be installed correctly to ensure continued ventilation performance, security certification, and fire compliance (where specified). Because the louvre panels form part of the tested assembly, installation must follow manufacturer instructions precisely.

Installation Requirements

Structural Frame Fixing

• Frame must be securely fixed into structural substrate (masonry, concrete, structural steel)
• Correct fixing centres must be used
• Frame must be square, plumb, and level
• Suitable packers used without compromising security or fire performance

Poor frame installation can affect both airflow alignment and lock engagement.

Security Rated Installation (PAS 24 / LPS 1175)

For certified doors:

• Fixings must match tested detail
• Louvre panels must not be altered or retrofitted
• Locking systems must align correctly
• Hardware must match certified configuration

Unauthorised modifications can invalidate certification.

Fire Rated Installation (If Applicable)

Where fire-rated (up to 2 hours):

• Installation must comply with BS EN 1634-1 (internal) or BS EN 16034 (external)
• Fire-stopping around the frame must use approved materials
• Intumescent seals must be correctly fitted
• Self-closing devices (if required) must ensure full latching
• Fire-rated louvre systems must remain intact and undamaged.

Hardware Installation

• Hinges must be load-rated and securely fixed
• Locks and cylinders must be correctly aligned
• Panic hardware (if fitted) must comply with BS EN 1125 or BS EN 179
• Electric locking systems must maintain safe internal egress

External Installation

For external louvre doors:

• Weather resistant louvre systems must be correctly fitted
• Thresholds properly installed
• Drainage and water run-off considered
• Powder coated finish protected during installation

Supply Only Considerations

Where supplied only:

• Installer assumes responsibility for maintaining certification
• Installation must strictly follow technical drawings
• Incorrect installation may invalidate security or fire rating

Professional installation is strongly recommended for certified doors.

Maintenance Requirements

Steel louvre doors are typically installed in plant and service environments, which may expose them to dust, heat, and mechanical wear.

Routine Inspection (Recommended Quarterly)

Check for:

• Smooth opening and closing
• Secure hinge fixings
• Correct lock engagement
• No distortion of frame
• Louvre blades intact and secure
• Louvre Panel Maintenance
• Keep ventilation openings clear of debris
• Inspect for damage or tampering
• Ensure reinforced louvre panels remain secure
• Obstructed louvres can affect airflow performance.

Hardware Maintenance

• Lubricate locks and hinges
• Test panic hardware (if fitted)
• Confirm electric locking systems function correctly

Fire Rated Door Maintenance (If Applicable)

• Inspect intumescent and smoke seals
• Confirm self-closing action
• Ensure no unauthorised alterations

External Maintenance

• Inspect weather seals
• Check for corrosion
• Maintain powder coated finish
• Ensure drainage paths remain clear

When properly installed and regularly maintained, steel louvre doors provide reliable ventilation, certified security, and compliant fire performance while delivering long-term durability in demanding environments.

(Indicative UK pricing – excludes VAT unless stated)

The cost of steel louvre doors depends on ventilation size, security rating (standard, PAS 24, or LPS 1175), fire rating (if required), door size, configuration (single or double leaf), and installation complexity.

Standard Steel Louvre Doors (Single Leaf)

For plant rooms, boiler rooms, and service areas without enhanced certification.

• Supply only: From £850 – £1,500
• Supplied and installed: From £1,700 – £2,800

Based on a typical personnel door size (approx. 900mm x 2100mm).

PAS 24 Steel Louvre Doors

Enhanced security performance suitable for residential and light commercial applications.

• Supply only: From £1,500 – £2,500
• Supplied and installed: From £2,800 – £4,500

LPS 1175 Rated Steel Louvre Doors (Up to Level 3)

Higher-grade security with reinforced louvre systems.

• Supply only: From £2,500 – £4,500+
• Supplied and installed: From £4,500 – £8,000+

Higher grades within LPS 1175 significantly increase pricing.

Fire Rated Steel Louvre Doors (Up to 2 Hours)

Where certified fire resistance is required:

• Supply only: From £1,800 – £3,500+
• Supplied and installed: From £3,500 – £6,500+

Cost varies depending on fire rating and louvre configuration.

Double Leaf Steel Louvre Doors

For wider plant access:

• Supply only: From £1,800 – £4,000+
• Supplied and installed: From £3,500 – £7,500+

Certification level heavily influences cost.

Additional Costs to Consider

• Fire rated louvre systems
• Security rated glazing (if combined)
• Panic hardware
• Access control integration
• Powder-coated colour upgrades
• External weather performance enhancements

What Affects Final Pricing

• Size of ventilation area
• Security rating (standard, PAS 24, LPS 1175 level)
• Fire resistance requirement
• Door size and configuration
• Installation access and structural preparation

Getting an Accurate Quote

Because steel louvre doors often combine ventilation with certified security or fire performance, accurate opening sizes and performance requirements are essential. A site survey is recommended to ensure correct specification, compliance, and installation pricing.