A barred prison grille used to secure the inside of
a glazed prison cell window. Complies with HMP standard, meets the
criteria for maintaining the highest level of security within the
safe and secure environment of a Prison Cell. Approved by Ministry
of Justice.
Grilles are constructed from 50mm x 50mm square hollow section
Grade 43C mild steel
Frame joints with full strength continuous welds
Pressed mild steel fixing angles fully welded to the perimeter
frame at suitable locations
Fixed to opening structure by non-ferrous expanding bolts
All gaps between opening structure and grille sealed with hard
setting non-shrink mastic
Mild steel parts to have one coat high build zinc phosphate
primer
NOTE: All constructional and builders work, materials and external
windows
to be supplied and installed by others after installation of security
grille.