Open grating - micromesh (SCH 52/40_IFR) Open grating - micromesh (SCH 52/40_IFR) Technical Table Dimensions (mmxmm) 1000 x 2000 1000 x 3000 1000 x 4050 Mesh (mm)main 52 x 52 secondary 26 x 26 Clear span 19 x 19 Thickness (mm) 40 Beam thickness (mm) 5/7 Weight (kg/m2) 21 Colour Grey RAL 7004 Code:SCH 52/40_IFR