Relief mat specially designed for grinding and welding workplaces. It is fire tested and approved in class B1. The mat is 11 mm thick and has a surface layer of fire-retardant vinyl and a soft backing for best comfort. It has beveled edges all around and is available either in a full roll or in cut lengths. Color: black. Withstands heavy wear and tear, welding and abrasive spray. Fire rated in B1, suitable for heavy industry.