Aluminium gratings are manufactured by a high-power pressing process in which all joints are made without welding. The finished panels can be cut to size at any point without impairing the strength and rigidity. Aluminium gratings are available in heights of 20,25,30 and 40 mm 3/4" , 1" , 13/16" ", and 1 9/16"".The standard panel sizes are approx.3000x1000 mm/9'9' x 3'3'" or approx.6000 x 1000