Retractable Security Grille - High Security
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Retractable Security Grille - LPS1175 Level 1
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Diamond Folding Grille
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Fire Exit Folding Grille
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Trackless Retractable Barrier
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Insurance Approved - Level 2 Retractable Security Grille
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Insurance Approved - Level 3 Retractable Security Grille
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What are Retractable Security Grilles
Retractable security grilles are collapsible steel barrier systems designed to provide physical protection against unauthorised access while maintaining visibility and airflow. They operate on a sliding lattice mechanism that expands across an opening when locked and retracts neatly to the side when not in use.
Unlike solid shutters, retractable grilles allow light to pass through and preserve sightlines, making them ideal for internal applications where security is required without fully enclosing the space.
The system typically consists of:
- Scissor style steel lattice sections
- Top track (and bottom track in fully tracked systems)
- Locking mechanism
- Optional cylinder or multi point locking
Our range includes:
- Fully tracked retractable grilles, available up to LPS 1175 Level 3 for higher risk environments
- Fire exit grilles, designed to secure openings while maintaining compliant emergency escape functionality
- Trackless barrier systems, which eliminate the need for a bottom track, reducing trip hazards and simplifying installation
Retractable security grilles are commonly specified for shopfronts, reception areas, schools, offices, and communal buildings where a balance between security, visibility, and ease of operation is required.
Retractable Security Grille Information and Buying Guide
Types of Retractable Security Grilles
Types of Retractable Security Grilles
Retractable security grilles are available in several configurations depending on the required security level, fire escape function, and floor finish constraints. Below is a structured overview of the main types within your range.
Fully Tracked Retractable Security Grilles
These systems run within a top and bottom track, providing maximum stability and security.
Key features:
- Steel scissor lattice design
- Bottom guide track for enhanced rigidity
- Available up to LPS 1175 Level 3 and Secured by Design
- Suitable for wider spans
Best for:Retail shopfronts, commercial premises, higher risk environments, and locations requiring certified security performance.
Benefit:Offers the highest level of resistance to forced entry within the retractable grille category.
Fire Exit Retractable Grilles
Designed to secure openings while maintaining compliant emergency egress.
Key features:
- Internal release mechanism
- Compatible with escape route requirements
- Can operate alongside compliant exit doors
Best for:Schools, offices, community buildings, and any environment where the opening forms part of a fire escape route.
Benefit:Provides security without compromising life safety.
Trackless Retractable Security Grilles
These systems operate without a bottom track, instead using guided side channels.
Key features:
- No floor track (reduces trip hazards)
- Cleaner floor finish
- Suitable for polished or finished flooring
- Easier cleaning and maintenance
Best for:Internal openings, reception areas, heritage buildings, and areas where floor penetration is not desirable.
Benefit:Improved safety and aesthetics while still providing effective physical security.
Single or Bi Parting Grilles
Available as:
- Single stack (one way retracting)
- Bi parting (meeting in the centre)
Best for:Large shopfronts or wide commercial openings.
Security Rated Retractable Grilles (LPS 1175)
Fully tracked systems can be specified up to:
- LPS 1175 Level 1โ3
- Secured by Design
These are independently tested to resist forced entry using defined attack methods.
Best for:Higher risk retail, infrastructure, and commercial buildings.
Retractable security grilles can therefore be tailored to provide basic physical deterrence, certified high security protection, compliant fire escape functionality, or trackless barrier solutions, depending on the operational and safety requirements of the building.
Design & Customisation
Design & Customisation
Retractable security grilles can be tailored to suit the opening size, security level, operational requirements, and interior finish of the building. Because these systems are visible security barriers, both performance and appearance are important.
Security Level Options
Available as:
- Standard security retractable grilles
- LPS 1175 rated systems (Levels 1โ3) for higher risk environments
The required security level influences lattice thickness, reinforcement, locking systems, and tracking design.
Configuration & Operation
- Single direction (one-way stack)
- Bi-parting (meet in the centre)
- Multi-section systems for wide spans
- Single or double locking points
- Cylinder locks or multi point locking (where specified)
Allows adaptation to narrow corridors or wide shopfront openings.
Tracked vs Trackless Systems
- Fully tracked systems (top and bottom track) for maximum rigidity
- Trackless systems (no bottom track) to reduce trip hazards and preserve finished flooring
Track selection depends on security level and floor constraints.
Finish & Appearance
- Polyester powder coated finishes
- Wide RAL colour range
- Matching to corporate or interior design schemes
Suitable for retail, education, and commercial interiors.
Made to Measure Sizing
- Custom built to fit structural openings
- Suitable for straight runs or returns
- Designed for internal installation
- Allows flexibility for irregular or non standard openings.
Fire Exit Configuration
Where the grille protects an escape route:
- Internal emergency release
- Compliant escape hardware
- Designed not to obstruct safe egress
Must align with building fire safety requirements.
Stacking Design
- Compact stacking to minimise loss of usable opening width
- Side stacking pockets or recess integration
- Improves aesthetics and functionality when the grille is open.
Retractable security grilles can therefore be customised to deliver certified security performance, compliant escape functionality, and architectural integration, while remaining practical and easy to operate in daily use.
Applications
Applications
Retractable security grilles are used where physical security is required without blocking light, airflow, or visibility. They are particularly suited to environments where the opening needs to remain open during trading hours but secured when unattended.
Retail Shopfronts
Installed behind:
- Glazed shopfronts
- Display windows
- Shopping centre units
Provides overnight security while maintaining product visibility.
Offices & Commercial Buildings
Used to secure:
- Reception areas
- Internal corridors
- Server rooms
- Stock rooms
Allows controlled access without constructing permanent walls.
Schools & Educational Buildings
Commonly fitted to:
- Classrooms
- IT suites
- Libraries
- Sports halls
- Toilets
Provides secure compartmentation outside operational hours.
Healthcare & Community Buildings
Installed to protect:
- Pharmacies
- Controlled storage areas
- Reception counters
- Equipment rooms
Maintains visibility while restricting access.
Residential & Communal Areas
Used in:
- Apartment block entrances
- Bin stores
- Plant rooms
- Underground parking areas
Can be specified with fire exit functionality where required.
Industrial & Warehouse Areas
Installed to secure:
- Internal bays
- Equipment enclosures
- Loading areas
- Restricted zones
LPS 1175 Level 1โ3 options suitable for higher-risk applications.
Heritage & Listed Buildings
Trackless systems are particularly suitable where:
- Floor penetration is not permitted
- A discreet security solution is required
Retractable security grilles are ideal wherever a balance between security, visibility, and operational flexibility is required, from retail environments to infrastructure and communal buildings.
Features & Benefits
Features & Benefits
Retractable security grilles provide a practical balance between physical security, visibility, and operational flexibility, making them suitable for retail, commercial, education, and communal environments.
Physical Security Protection
Constructed from steel lattice (scissor-style) sections with reinforced vertical uprights.
Benefit:Creates a strong physical barrier against unauthorised access and opportunist intrusion.
LPS 1175 Rated Options (Levels 1โ3)
Fully tracked systems available with independent security certification.
Benefit:Provides graded, third party (LPS1175) verified protection for higher risk environments.
Visibility & Airflow
Open lattice design allows light and sightlines to remain visible.
Benefit:Maintains product visibility in retail settings and preserves natural light in internal applications.
Retractable & Space Saving
Grilles slide neatly to one or both sides when open.
Benefit: Maximises usable opening width during trading or operational hours.
Fire Exit Compatible Options
Available with compliant emergency egress functionality.
Benefit:Allows security without compromising life safety or escape route compliance.
Tracked or Trackless Systems
- Fully tracked (top and bottom track) for maximum rigidity
- Trackless barrier systems to eliminate floor tracks
Benefit:Flexibility to suit security level, floor finish, and trip hazard concerns.
Wide Range of Finishes
Available in powder-coated finishes across a wide RAL colour range.
Benefit:Can match interior or exterior design schemes while maintaining security performance.
Made to Measure Construction
Custom built to suit specific openings and configurations.
Benefit:Suitable for standard doors, wide shopfronts, corridors, and irregular openings.
Durable & Low Maintenance
Heavy duty steel construction with simple sliding mechanism.
Benefit:Long service life with minimal maintenance requirements.
Retractable security grilles offer a versatile solution for buildings that require visible deterrence, certified security performance, and operational flexibility without installing permanent solid barriers.
Compliance & Safety
Compliance & Safety
Retractable security grilles must comply with relevant security standards, escape regulations, product safety requirements, and building regulations, depending on where and how they are installed.
Security Certification (If Specified)
Where enhanced security is required:
- LPS 1175 (Levels 1โ3)
- Independently tested to resist forced entry
- Certification applies to the complete grille system
- Installation must follow certified fixing detail
- No unauthorised modifications permitted
Required for higher-risk commercial or infrastructure environments.
Fire Escape & Life Safety
If installed on or across an escape route:
- Must not obstruct compliant egress
- Fire exit grilles must allow immediate internal release
Must work alongside doors fitted with hardware compliant to:
- BS EN 1125 (panic hardware)
- BS EN 179 (emergency exit devices)
Security must never compromise safe escape.
Building Regulations
- Approved Document B โ Fire Safety
- Openings forming part of escape routes must remain safe and operable
- Grilles must not reduce required escape widths
- Approved Document M โ Access to and Use of Buildings
- Trackless systems may be required to avoid trip hazards
- Thresholds must not create accessibility barriers
Product Safety & Installation
- Must be securely fixed to structural substrate
- Top and bottom tracks (if fitted) must be safely installed
- Moving parts must operate smoothly and safely
- No sharp edges or protrusions
- Where installed externally, corrosion protection and weather resistance must be appropriate.
Workplace & Operational Safety
Under general workplace safety principles:
- Staff must be trained in safe operation
- Locking procedures should be controlled
- Emergency release procedures must be understood
Installation Compliance
To maintain certification and safety:
- Installation must follow manufacturer guidance
- Fixings must be correctly spaced and anchored
- Structural suitability of the opening must be confirmed
When correctly specified and installed, retractable security grilles can meet security certification standards while maintaining compliance with fire safety, accessibility, and escape regulations.
Installation & Maintenance
Installation & Maintenance
Retractable security grilles must be correctly installed to ensure smooth operation, structural integrity, and where specified, compliance with security certification such as LPS 1175 Levels 1โ3. Poor alignment or incorrect fixing can affect both performance and safety.
Installation Requirements
Structural Fixing
- Must be securely fixed into structural substrate (masonry, steel, or reinforced framework)
- Fixing centres must follow manufacturer guidance
- Opening must be square, plumb, and level
- Substrate must be suitable for load transfer
For LPS 1175 systems, installation must match the certified fixing detail.
Track Installation
Fully Tracked Systems
- Top track securely fixed to structural head
- Bottom track accurately aligned and fixed
- Tracks must be straight and level to prevent binding
- Trackless Systems
- Side guides must be securely fixed
- Floor finish must allow stable operation
Care taken to avoid misalignment without bottom track guidance
Operation & Alignment
- Grille must slide smoothly without resistance
- Locks must engage correctly
- Stacking area must allow full retraction
- No obstruction to opening width when fully open
Fire Exit Grilles (If Applicable)
- Internal release mechanism must function immediately
- Must not obstruct required escape width
- Escape hardware must comply with BS EN 1125 / BS EN 179 where applicable
Life safety must take priority over security.
Supply Only Considerations
If supplied without installation:
- Installer assumes responsibility for structural suitability
- Installation must follow technical drawings precisely
- Certified LPS 1175 systems must be installed to approved fixing detail
Professional installation is recommended, particularly for security-rated systems.
Maintenance Requirements
Retractable grilles are mechanical systems and require routine inspection to maintain smooth operation and security performance.
Routine Inspection (Recommended 6โ12 Monthly)
Check for:
- Smooth sliding operation
- Track alignment
- Secure fixings
- Lock engagement
- Wear on lattice sections
- Damage to guide rails
Higher risk environments may require quarterly checks.
Cleaning & Lubrication
- Keep tracks free from debris
- Lightly lubricate moving pivot points (as recommended)
- Do not over-lubricate, as debris can accumulate
Lock & Security Checks
- Inspect cylinders and locking mechanisms
- Ensure locks fully engage
- Replace worn components promptly
External Maintenance
- Inspect for corrosion
- Maintain powder-coated finish
- Ensure drainage around bottom track remains clear
When correctly installed and routinely maintained, retractable security grilles provide long term, reliable security performance while maintaining smooth and safe operation
Price Guide
Price Guide
(Indicative UK pricing โ excludes VAT unless stated)
The cost of retractable security grilles depends on security level, opening width, tracked vs trackless configuration, and installation complexity. Security rated systems and wider openings increase material weight and reinforcement requirements.
Standard Retractable Security Grilles (Non Rated)
Suitable for retail, offices, schools, and internal security.
- Supply only: From ยฃ450 โ ยฃ650 per metre width
- Supplied and installed: From ยฃ850 โ ยฃ1,200 per metre width
Typical single doorway (1m wide):
- Installed from ยฃ900 โ ยฃ1,400
LPS 1175 Level 1 Retractable Grilles
Enhanced security for moderate-risk environments.
- Supply only: From ยฃ700 โ ยฃ950 per metre width
- Supplied and installed: From ยฃ1,200 โ ยฃ1,800 per metre width
LPS 1175 Level 2 Retractable Grilles
Higher resistance to forced entry.
- Supply only: From ยฃ1200 โ ยฃ1,800 per metre width
- Supplied and installed: From ยฃ2,000 โ ยฃ2,800 per metre width
LPS 1175 Level 3 Retractable Grilles
Maximum security within retractable grille systems.
- Supply only: From ยฃ3,000 โ ยฃ4,000 per metre width
- Supplied and installed: From ยฃ4,000 โ ยฃ8,000 per metre width
Fire Exit Retractable Grilles
With compliant internal release mechanisms.
- Additional cost: Typically ยฃ150 โ ยฃ400 depending on hardware specification.
Wide Shopfront or Bi Parting Systems
For openings over 3 metres:
- Installed from ยฃ3,000 โ ยฃ8,000+ depending on security level and configuration.
Trackless Systems
- Typically 5โ15% less than fully tracked systems due to reinforced side guides.
What Affects Final Pricing
- Security level (standard vs LPS 1175 Level 1โ3)
- Width and height of opening
- Single or bi parting configuration
- Tracked vs trackless system
- Fire exit compliance requirements
- Installation access and substrate type
- Powder-coated finish specification
Getting an Accurate Quote
Retractable grilles are made to measure, and pricing depends on exact opening dimensions and required security level. A site survey is recommended to confirm fixing suitability, structural integrity, and escape compliance before providing a final quotation.
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Frequently Asked Questions - Retractible Security Grilles
How secure are retractable security grilles?
How secure are retractable security grilles?
Retractable security grilles provide a strong physical barrier and a visible deterrent against intruders. They are typically made from steel or aluminium lattice bars that lock securely when closed. While they may not offer the same level of protection as solid roller shutters, they are highly effective for protecting shopfronts, offices, reception areas, and internal doors or windows.
Can retractable security grilles be installed on the inside of a window or door?
Can retractable security grilles be installed on the inside of a window or door?
Yes. In fact, retractable grilles are installed internally. This keeps the grille protected from weather while still providing security. Internal installations are common for shopfront glazing, patio doors, offices, schools, and reception areas.
Do retractable security grilles block visibility?
Do retractable security grilles block visibility?
No. One of the main advantages of retractable grilles is that they allow clear visibility through the opening. The lattice design means natural light can still pass through and retail displays remain visible even when the grille is locked.
Can the grille be hidden when not in use?
Can the grille be hidden when not in use?
Yes. Retractable grilles are designed to slide neatly to the side and stack compactly when open. They can often be recessed into the wall or positioned behind curtains or window reveals so they are barely noticeable when not in use.
Are retractable security grilles easy to operate?
Are retractable security grilles easy to operate?
Yes. All retractable grilles are manually operated and very easy to slide open or closed along a top track. They lock securely with a key-operated lock or shoot bolt system. Because they are lightweight and balanced, they can usually be operated with one hand.

