The prison window comprises of a two-part construction.  

An internal facing reinforced steel frame with fixed 8mm polycarbonate screen and vent plate with anti-ligature airflow control, plus an exterior facing double glazed aluminium window, with one or two openings. These are installed as one complete unit, with a linkage between the vent plate and window opening for cell ventilation. 

The 2005 model is available in 5, 6 and 7-bay configurations. Other bespoke design options are available to suit the prison.   

Most new installations and retrofit windows feature a twin vent plate design to meet MOJ air ventilation requirements for a shared cell. 

Compliance with NOMS 2005 Safer cell window design 

Independently tested to NOMS STD/X/SPEC/024 

23 hour-cut resistance bars 

Window assembly meets building regulations part L with low E double-glazed units 

The grille is constructed from 50mm x 50mm x 6.3mm square hollow section grade 50 D high tensile steel, enhanced with tungsten carbide rods on all corners, with all joints hard-faced welded  

Grille fixed into the wall with 12mm high tensile resin anchors rod bars 

Polycarbonate 8mm screen mounted to the internal face 

External window frame is thermally broken and is constructed from aluminium which can be opened to allow the free flow of air 

2mm thick 304 stainless steel ventilation plate/s with 3mm holes are fitted to the inside allowing for 36% air flow 

Anti-ligature window control mechanism is housed within the ventilation panel allowing easy operation of the opening sashes 

Powder coated to RAL 9016 (other RAL colour options available) 

There are many designs of windows in use in the MOJ estate. We can design, manufacture and fit a solution for most situations. See examples below. 

Get in touch with the team today to arrange a site survey and we will aim to provide you with a fit-for-purpose solution, designed to meet the relevant MOJ standards.