Comtec GRP Gratings are produced by wet moulding and hot curing in a heated mould. The reinforcement consists of continous fibreglass rovings in alternating layers, so the loads are evenly distributed in all directions. Regularly Moulded GRP Gratings have a polyester resin matrix. Glass contect is approximately 35%. Standard colours are green, yellow or grey, other colours are available according to RAL. Various sheets and mesh sizes are also available. Please browse our range of gratings, if you can’t find what you are looking for please contact us.