Tunnel escape doors
Unmatched safety through innovation
Tunnels present unique safety challenges: confined spaces, limited escape routes, and extreme conditions during emergencies. In these environments, escape doors serve a critical role – they must perform flawlessly when lives are at stake.
As a leading supplier of doors, windows and wall systems for infrastructure where safety is crucial, InterDam has many years of experience. Tested under the most extreme conditions regarding fire, durability and longevity – our door systems are designed to meet the safety challenges in these environments.
Advantages of InterDam tunnel doors
Our G21 tunnel doors set a new benchmark for durability, performance, and compliance with the most stringent safety standards.
Comprehensive certification
Our doors meet the international safety standards required for tunnel doors: EI260/EW120, EI160/EW120 and EI1120/EW120, according to the Rijkswaterstaat/Efectis procedure Efectis-R0695:2020, which also includes overpressure (50Pa) in the furnace. On top of that, they also passed the HCM fire curve regulation test.
Customizable options
InterDam provides sliding door configurations, as well as single- and double-leaf hinged doors, customizable to your project sizing requirements. Additional fire tests may be required for very large dimensions, please contact us for more information.
Additional features such as airtightness, smoke resistance, gas and weather tightness make our doors versatile for varying operational needs.
Special design options
In addition to various opening systems, handles, seals, rails and hinges, you can opt for special designs, such as: magnetic locks and electrical systems. Our Ergo Latch® system is always included to ensure the door opens with an initial force of only 50N, making it effortless to use during emergencies. Sliding doors are equipped with precision rollers, ensuring smooth operation under duress. Inductive sensors and escape signage are also available.
Durable core materials
Our doors feature a lightweight, non-combustible calcium silicate core, renowned for its exceptional fire resistance. Unlike alternatives that rely on mineral or ceramic wool, our design eliminates internal stiffeners, reducing deformation risks while maintaining exceptional fire resistance. Two types of sheeting material can be used: galvanised steel or stainless steel. Other materials can be used upon request, however, additional fire testing may be required.
In-house design and manufacturing
Our commitment to high-quality products begins with our in-house design and manufacturing processes, all conducted at our factory in the Netherlands. Our fire and blast-resistant doors are crafted using proprietary hardware, ensuring each unit meets our stringent quality standards.
Shipping, installation and maintenance
Once production and assembly are complete, door units are packed for transport on pallets in shrink wrap for European deliveries. For long-distance transport, they are supplied in solid, seaworthy timber crates compliant with ISPM 15 regulations. These crates include internal foam protection to prevent damage during transit.
Installation requires skilled personnel. We provide on-site supervision or dedicated installation teams upon request. Following the detailed installation instructions ensures that doors are correctly fitted and maintain their fire and blast ratings.
Consistent, minimal maintenance is essential to ensure the long-term performance of our doors. This includes routine inspections and maintenance to ensure lasting compliance with safety standards.
Contact us
Are our products ticking all the right boxes? Contact us for your project, whether you’re constructing a new tunnel or upgrading existing facilities. You can also navigate to our downloads section, where you can find databooks with more information about our tunnel escape doors.
Products for safer tunnels.
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