silent knight thumbnail image

Silent Knight

Access Covers and Gratings

Silent Knight 

Available in clear openings 1210x685 or 1825x685 and 100mm or 150mm frame depths, Silent Knight D400 offers consistent high performance in all conditions.
silent knight thumbnail image
Group 4 D400 load classification.

Key Features & Benefits

  • Double triangular Non-rock design
  • Skid resistant radial chequer design
  • Frame lifting points
  • LTS installation and durability features
  • Customer specific or generic badging available
  • Anti-theft locking options
  • A range of Safety Grids are available


Recommended for use in trunk and city roads carrying continuous fast moving traffic.
D400 icongroup 4 iconmotorway applicationtruck application

Standards & Approvals

kitemarkha 104/09sfa 7cewsi 7


Technical Enquiries:
+44 (0) 166 481 4014
Customer Services:
+44 (0) 115 930 5000


Videos and pictures
  • silent knight d400 access cover
  • silent knight d400 access cover

See also

Discover our extensive range of access covers, gratings and surface boxes
Saint-Gobain PAM designs its access covers in response to traffic conditions, offering stability, safety and silence.
Use: Carriage ways, hardshoulders and pedestrian areas where cars and lorries have access.