03.11.09 SIS have purchased a Morgan Rushworth CNC High Definition Plasma Cutting Machine. Read more...
Welcome to Site Installation Services

We are an International metalwork fabrication and installation company based in Lincoln, England.

We specialise in manufacturing and supplying security metalwork for HM Prison Services across
the whole of the UK and worldwide. We can offer full in-house CAD design and installation of all our products mentioned below in the security metal works & general fabrication sections.

All site operatives have in place current health & safety legislation such as CSCS Cards & IOSH certification. We are currently applying for CHAS registration.

Fully approved suppliers & installers of HM Prison Service security products including:
• Cell doors
• Door frames
• Integrated Drug Treatment System (IDTS) Detox Doors
• Grille gates
• Suicide Netting
• Lock fitting
• Timber door sets
• Enhanced window grilles, windows and vents

We can supply:
• Fire Escapes
• Landings
• Platforms
• Structural Steelwork
• On & Off Site Fabrications
• Ferrous & Non Ferrous Materials
• Onsite Installation Service
• In-house Design Service