BSI KITEMARKED SURFACE BOXES - HEAVY DUTY- BS 5834
Heavy Duty Non-rock Ductile Iron Surface Boxes
Usage: Grade A - suitable for carriageways carrying fast moving normal commercial vehicles with wheel loads up to 5 Tonnes
Manufactured to BS 5834 part 2:1983
Kitemarked for third party assurance of quality
Non-rock double triangular design for stability & silent operation
Anti movement technology for improved bonding to bedding material
Ductile iron for improved weight to strength ratio
Black coated finish