Click4Assistance UK Live Chat Software

SG2 Medium Security Grilles

    • Product Details


      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.

      Product Description

      • SG2Medium Security Grille With Face and Rear Fixing
      • OBSSAllen Key Operated Opposed Blade Damper
      • PBPlenum Box


      • Medium Security Applications
      • Side or Top Entry Connections Available
      • 3mm Perforated Faceplates


      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

      Specification of Perforations in Front Face

      Perforations are 3mm diameter at a 5mm pitch

      Please note that security grilles with face fix are not supplied with screws.

      Free Area

      Product Specification

      Related links

      OB Opposed Blade Dampers

      Prisons and Detention Centres

      Waterloo Mill Finish

      SG security grilles operation and maintenance


      For more information please use our contact form;

      Call our Sales and Customer Service Hot Line:

      01622 711511



    • Product Images








      SG2+OBSS-diag2SG2 + OBSS
    • Product Model Data