Another Prefabricated Shelter Manufacturer Selects "DU" Type Protective Doors
- Andrey Shpak

- Jul 16
- 1 min read

DU and SU type is a series of heavy-duty blast rated and gastight doors and hatches that designed both for new construction and retrofitting in existing structures. The doors designed according to modern CEE norms for civil defence shelters and can be also customized for providing additional ballistic protection.
Thousands of DU type doors installed in shelters, bunkers and industrial facilities and other applications and can be customized according to customers request.
Watch the DU-III video locking operation:
Atmas is a Finland-based global supplier of products, technologies, project support services and complete solutions in the areas of civil defense shelters and protected spaces, facilities reinforcement against CBRN, blast, ballistic, forced entry and EMP threats, as well as security, safety and emergency response.





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