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Combined protection against burglary and fire, manufactured in the Netherlands

A robust safe for high-end residential or commercial use, the Chubbsafes DuoForce is certified by ECB-S as Grade III for both burglary protection and 60 minutes fire protection of paper documents. Produced in our production site in Doetinchem, this sturdy safe is built according to most stringent quality, health & safety and environmental manufacturing standards.

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Key features

  • Chubbsafes Icon TYPE OF RESISTANCE

    Burglary and Fire

  • Chubbsafes Icon RANGE

    5 sizes from 40 to 225 litres

  • Chubbsafes Icon LOCK OPTIONS

    Key and/or Electronic Lock


Mark Brookes, Global Product Manager for Safes and Cabinets, presents the product features of the DuoForce GIII.


The Chubbsafes DuoForce Grade III is manufactured at our state-of-the-art, ISO-certified production site in Doetinchem (NL), and independently tested by Istituto Giordano (IT) and by Gryfit Laboratories (PL). The Chubbsafes DuoForce Grade III is double certified by ECB•S and thus satisfies the needs of insurers and users looking for a burglary and fire-resistant safe.

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DuoForce Grade III certified safe


  • Burglary resistance in accordance with the European standard, EN 1143-1, as certified by ECB•S for Grade III. Meets the demands of all Insurance Companies when it comes to burglary resistance.
  • Tested by an independent, ISO 17025 accredited laboratory according to the NT Fire 017 – 60 Paper standard with certification managed by ECB•S. Protects your vital documents from the affects of fire.
  • All sizes can be trusted to protect their contents not just against unauthorised forced burglary attack but also against the extreme temperatures experienced during fire.
  • Supplied with one key lock as standard with the option of a factory fitted electronic lock or optional two locks. This gives the flexibility to customise how DuoForce can be secured and operated.
  • DuoForce Grade III introduces a new small size, Model 40; ideally suited to Residential clients requiring the safe storage of jewelry and valuables or needing to comply with local legislation concerning gun storage.
  • Ergonomic soft-touch handle and a range of internal fittings to maximise storage capacity.


We list sustainability very highly on our agenda; setting high standards for our products, our employee working conditions and for the environment in which we live. Duoforce is manufactured under the most stringent of production environments in our advanced Doetinchem production facility in the Netherlands – a factory that is ISO-certified by DEKRA according to ISO 9001, ISO 14001 and ISO 45001 standards, and demonstrates our commitment to Gunnebo Sustainability Approach. The dedicated European manufacturing approach is not only environmentally more friendly, it also ensures a more efficient, shorter and better supply chain for customers in Europe.
DEKRA labels

Environmental Product Declaration for DuoForce Grade III

Gunnebo has become the first company in the physical security industry to issue Environmental Product Declarations (EPD) on its products. This is an important achievement demonstrating our commitment to fact-based sustainability reporting and reduced carbon emissions across our business and product range.

EPDs are an internationally recognised, third-party verified statement of a product’s environmental impact during its entire life cycle, from raw material extraction to decommissioning and disposal.

Gunnebo has attained a third-party verified EPD for the Chubbsafes DuoForce Grade III. The specific EPD is published on environdec.com


Key Specifications

  • Certification Standard: EN 1143-1 and NT Fire 017
  • Protection or Resistance Level: Grade III and 60 min Paper
  • Certification Body: ECB•S
  • Type of resistance: Burglary, Fire
  • Lock types: Key Lock, Electronic lock
  • Valuables to protect: Cash, Documents, Data Media, Collectables, Jewellery, Other valuables
  • Manufacturing Certifications: ISO 9001 (Quality Management System), ISO 14001 (Environmental Management System) and ISO 45001 (Occupational Health & Safety System)

Product Specifications

DuoForce Grade III

Model external height (mm) external width (mm) external depth (mm) internal height (mm) internal width (mm) internal depth (mm) capacity (litres) net weight (kg) no. of shelves
M-40 537 451 525 412 326 327 43 200 1
M-65 565 537 582 440 412 384 69 260 1
M-120 725 635 617 600 510 419 127 380 2
M-160 910 635 617 785 510 419 167 465 2
M-225 1185 635 617 1060 510 419 226 600 2

Full specifications

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