Business Details
Specialist Door Systems for Global Industries
Established in 1873, Clark Door has cultivated a 150-year heritage as a global leader in specialist door systems. Our expertise spans the design, manufacture, installation, and service of high-performance acoustic, fire-rated, cold storage, industrial, and security-rated doors. All products are engineered and produced in-house at our Cumbria, UK headquarters, serving over 50 countries across diverse sectors including entertainment, infrastructure, and cold storage. With ISO 9001:2015 certification and decades of independent acoustic test data, we deliver solutions to exacting specifications, partnering with architects, engineers, and contractors from project inception.Our commitment to innovation is evidenced by patented technologies such as the Clark Coldmaster energy-saving door and the Multigard SR5-rated security shutter, alongside a dedicated R&D team continuously pushing performance boundaries. Recognised by the Queen's Award for Enterprise (2020), we combine generational experience with cutting-edge engineering to address complex challenges in acoustics, fire safety, and thermal efficiency.
Services
Acoustic Doors
Fire-Rated Doors
Cold Storage Doors
Security Roller Shutters
Industrial Door Maintenance
Highlights and features
- 150 years of specialist door engineering expertise
- In-house ISO 9001-certified R&D and manufacturing
- Proven track record in 50+ countries across critical infrastructure
- Patented energy-saving and security technologies
- Collaboration with architects from project inception
Associations and certifications
- ISO 9001:2015
- BRE LPS 1175 Issue 8
- Secured by Design
Services
Acoustic Doors
Engineered sound insulation solutions for entertainment venues and industrial applications. Available with fire ratings up to EI 120 and sound attenuation of Rw 75dB through combination designs. Features include digital controllers for precise seal compression and compatibility with fire protection systems. Constructed with corrosion-resistant finishes and optional thermal insulation.
Fire-Rated Doors
Custom fire door systems certified to BS 476 Part 22 and EN1634-1 standards. Includes sliding, hinged, and oversized configurations with up to 120-minute fire resistance. LPCB LPS 1271-approved installation ensures compliance with UK and international building regulations. Integrated with acoustic and thermal performance requirements.
Cold Storage Doors
Energy-efficient cold store solutions with patented air curtain technology reducing energy loss by 70%. Available in high-speed and vertical sliding configurations for freezer (-30C) and chiller environments. Features reinforced insulation panels and crash-proof designs for high-traffic warehouse applications.
Security Roller Shutters
SR3-SR5 rated roller shutters certified to BRE LPS 1175 standards. Includes anti-blast, ballistic, and hurricane-resistant models with Class 5 wind loading capability. Features auto-locking mechanisms and split-guide design for rapid repairs without working at height.
Industrial Door Maintenance
Nationwide planned preventative maintenance for all specialist door types. Includes compliance with PUWER regulations and DHF TS:013 standards. Stock of 5,000+ spare parts and GPS-tracked engineers ensure 95% first-time fix rates. Available with 24/7 emergency call-out support.
People
Paul Ashley
Chairman
Qualified engineer and MBE recipient for manufacturing services in Cumbria. Led Clark Door's growth since 1991 acquisition, focusing on engineering excellence and global market expansion.
Andrew Ashley
Director
Engineering specialist driving product innovation and technical development. Co-leads family-owned business with 30+ years industry experience in specialist door systems.
Questions
What industries do Clark Door's products serve?
Our doors are used in entertainment venues, cold storage facilities, nuclear sites, manufacturing plants, and infrastructure projects globally.
Are Clark Door products certified to international standards?
Yes, we meet ISO 9001, BRE LPS 1175, BS EN 1634-1, and Secured by Design requirements across our product range.
Can doors be customised for specific project requirements?
All products are engineered to bespoke specifications, with in-house design teams collaborating from initial planning stages.
What maintenance support is available?
We offer planned preventative maintenance contracts with nationwide engineers and 24/7 emergency repair services.
Where are Clark Door products manufactured?
All doors are designed and manufactured at our Cumbria, UK headquarters with global installation support.
What energy-saving options exist for cold storage?
The Clark Coldmaster door reduces energy loss by 70% through patented horizontal air curtain technology.
