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Business Details
33 Years
experience
Custom Security Shutter Solutions in Ampthill
With over three decades of experience in the UK shutter and grille industry, Sim Flex has established itself as a trusted provider of custom-built security solutions. Our comprehensive product range includes roller shutters, sliding/folding shutters, collapsible gates, and fire shutters, meticulously designed to meet diverse security and design requirements. Each product is crafted to order, with standard orders typically delivered within 2-3 weeks, and installed nationwide by our expert engineers. Our innovative designs cater to enclosed retail and public environments such as shopping centres, airports, hospitals, and educational institutions, offering unobstructed workable areas through track-free sliding systems. We specialise in high-strength steel, glazed, and perforated models, ensuring solutions for storefronts, ATM areas, and high-security applications.

Backed by a comprehensive twelve-month warranty, our products are engineered to satisfy insurance requirements while maintaining ease of operation and minimal maintenance. Through our commitment to "Quality-On-Time," we deliver superior craftsmanship and functionality, combining security with aesthetic appeal. Our nationwide service includes direct installation support, ensuring seamless project execution from fabrication to completion. By prioritising customer-specific needs and leveraging industry expertise, we provide reliable security solutions that adapt to evolving architectural and operational demands.
Services
Roller Shutters Sliding Shutters Collapsible Gates Fire Shutters Aluminium Grilles
Details
  • Year established: 1993
Highlights and features
  • We have over 30 years expertise in UK shutter design and installation.
  • Our nationwide service includes direct installation by in-house engineers.
  • Custom-built products typically delivered within 23 weeks.
  • Innovative track-free sliding systems ensure unobstructed workable areas.
  • Products meet insurance requirements and feature 12-month warranties.
Services
Roller Shutters
Our roller shutters provide robust security for storefronts and commercial spaces. Available in solid, perforated, or glazed designs, they combine durability with aesthetic flexibility. Ideal for high-traffic areas requiring rapid access and visual appeal.
Sliding/Folding Shutters
Innovative sliding/folding systems offer track-free security solutions. Custom-engineered to follow curves or faceted layouts, they ensure unobstructed spaces for retail and public environments. Available in aluminium or steel for versatile applications.
Fire Shutters
Certified steel fire shutters provide 1- to 4-hour protection, compliant with BS EN 16034. Designed for timber or masonry structures, they integrate audio-visual warnings and are suitable for commercial and public buildings requiring fire compartmentalisation.
Collapsible Gates
High-security collapsible gates offer visibility without compromising safety. Ideal for behind-glass installations where planning restrictions apply, these gates are maintenance-free, easy to operate, and meet insurance standards for retail and commercial use.
Aluminium Grilles
Perforated and open aluminium grilles blend security with design. Suitable for bar counters, ATM areas, and storefronts, they provide ventilation and visibility while maintaining robust protection. Customisable in various patterns and finishes.
Questions
What security products does Sim Flex offer?
We provide roller shutters, sliding/folding shutters, collapsible gates, and fire shutters in steel or aluminium, tailored for retail, commercial, and public spaces.
How long does delivery and installation take?
Standard orders are typically delivered within 2–3 weeks, with nationwide installation available using our in-house engineers.
Can products be customised for specific design needs?
All solutions are custom-built to client specifications, accommodating curved or faceted layouts without floor tracks.
Are Sim Flex products compliant with safety standards?
Our fire shutters meet BS EN 16034, and all products satisfy insurance requirements, featuring 12-month warranties.
Do you supply and install nationwide?
Yes, we offer full supply and nationwide installation services directly through our network of engineers.