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Delta Steel 1000 SD 2/3/4Security, strength & durability

ENERCO’s range of Steel Entrance Doors offers the ultimate in security when it comes to making sure that entry into and out of a building is restricted and controlled. All of our steel door sets are fitted on internal or external applications in wide range of wall constructions.

The Delta Steel 1000 SD2/3/4 security door is designed to protect vunerable and high-risk properties. These doors are suited to retail and commercial premises, giving excellent perimeter security.

They are tested to various security levels – for example the SD2 is prEN 1627 – 2007/09 compliant (Security Level 2), which involves a determined attack over a period of 15 minutes, using various tools including a screwdriver, lever and hammer. SD3 and SD4 offer higher attack levels.

This Delta Steel 1000 SD2/3/4 doors are custom manufactured for single and double openings. Various frame and threshold options are available.


  • Enhanced security
  • Secure locking
  • Internal or external applications
  • Standard or bespoke designs
  • Various frame and threshold options
  • Single or double doors
  • Energy efficient
  • Variety of colour finishes available

View SD2 PDF

View SD3 PDF

View SD4 PDF


All of our STEEL ENTRANCE DOOR products are supplied with a two-year parts and labour warranty, as standard, providing the equipment is maintained in accordance with the manufacturer’s recommendations and not modified in any way. To help protect your investment, full maintenance packages are available. The door must be serviced at least once a year. ENERCO recommends that a service be done six months after installation. Full details of the servicing requirements are available.

ENERCO is an established market leader in the supply and installation of all types of industrial door systems, loading bay equipment and security products. We are independently owned and, as such, are able to offer a service that is JUST RIGHT for you & your BUSINESS. We partner with both private and public sectors in a diverse range of industries including construction, food, retail, manufacturing and logistics.

Please email or call us on 01525 289 322 for a friendly chat and a no-obligation quote.