frp grp moulded grating outdoor floor corrosion resistant,fire retardant, excellent traction be used as a ramp ISO9001: ... steep inclines. 3) FEATURES OF SIEGRID FRP PRODUCTS:A, CORROSION RESISTANT:B, FIRE RETARDANT:C, HIGH STRENGTH: D, NON-MAGNETIC: E ... WEIGHT: H, EASY TO INSTALL: I, EASY TO MAINTAIN: J,IMPACT RESISTANT: 4)SIEGRID STANDARD GRARING SIZES AND SPECIFICATIONS:Mesh(mm)Standard ...