The Waterloo SG series security grilles have been designed in conjunction with the prison service for supply and extract of air in places where security is a priority - from prison institutions, courts and police stations to secure buildings.
Manufactured from 3mm thick mild steel plate, SG series grilles are available in three versions - SG1, SG2 and SG3 - able to meet ventilation needs in high, medium or low security applications. The series offers rectangular or square size options from 100mm up to 600mm.
Minimum Size - 75 x 75
Maximum Size - 1000 x 600
Zintec coating as standard
PPG9010 (RAL 9010 Gloss - 80% Gloss White)
PPM9010 (RAL 9010 Matt - 20% Gloss White)
PPM9006 (RAL 9006 Matt - 30% Gloss Silver)
Other colours available on request
Perforations are 3mm diameter at a 5mm pitch
Please note that security grilles with face fix are
not supplied with screws.
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