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1200x1200 Upstand Isometric page 4 + 5
1200x1200 Upstand Isometric page 4 + 5
Main Product citadel image

Citadel is Cubis' high-security access cover range and is available in a wide number of sizes and in single, twin-leaf and triple designs.

Named after a citadel, which is defined as a strongly fortified place, Cubis’ LPCB certified cover range is available in an ‘upstand’ type design.

Citadel meets the requirements of LPS 1175: Issue 7 for Level 4 security.

Cubis Systems Certificate Number: 1294a

Upstand access covers are fitted on top of the finished structure and stand proud of the finished structure. Upstand covers provide a fully waterproof access point.

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  • The highest levels of security
    Citadel is rated to Level 4 of LPS 1175, suitable for protecting Critical National Infrastructure sites. Cover security can be enhanced with a double-skin cover for additional protection during attack.
  • Safe to lift
    Opening of cover leaves is aided by a torsion spring and a lifting handle
  • Safe in operation
    Covers are prevented from slamming shut by the presence of a safety arm with manual pull override. Access covers can also be specified with  hinged fall protection safety grids.
  • Design to manufacture
    CUBIS designs and manufactures access covers in-house and can assist with site surveys to aid with the cover design.
  • Long life
    Citadel covers are hot dip galvanised to BS EN ISO 1461. For increased longevity and aggressive environments a superior galvanising finish can be used to give a 100 (min) or 140 (min) micron zinc coating. Please refer to the Galvanizers Association's Zinc Corrosion Map to ascertain whether a higher level of galvanising is required.

Citadel access covers are not suitable for trafficking. They are intended to sit proud of the finished surface.

Citadel access covers are certified to Level 4 of LPS 1175. This means they the network is  protected in High Risk areas, such as a urban sites with a history of serious vandalism and where there is a threat of terrorist attack or Critical National Infrastructure Sites.

Covers are manufactured from a minimum of 4mm thick structural steel plate and are hot dip galvanised to BS EN ISO 1461.

Citadel can be specified with the following options:

   Double Skin (Sub Security)

   Safety Grid

   Insect / Pest Mesh

   Odour Seal


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IMG 1059.JPG Dee Valley Water: Llywn Onn Reservoir and Pumping station

Cubis Systems supplied high-security access covers for Llwyn Onn, Dee Valley Waters’ largest water treatment works