Cabletape- Class O 3mm x 50mm x 15m Class 'O' Fire category means low fire propagation index producing a zero fire spread of flame for a high degree of fire protection and safety. 6mm Closed cell 'Class O' Cablelay is a protective mat system which can be installed into cable or basket tray systems as protection for high performance cabling. 13mm Closed cell 'Class O' Cablelay is a protective mat system designed to be laid directly onto the concrete substrate as a dedicated route or pathway high performance cabling.Elastomeric properties provide protection from grit, sharp edges and irregularities in the pathway surface which helps maintain the performance of the cables Specific manufactured widths eliminates the need to cut material on site saving time and money.