Interstate Grating Products

How to Specify Steel Bar Grating

  1. Select type of grating
    •"W" for Welded Steel Grating
    •"DT" for Dovetail Pressure Locked Grating
    •"SL" for Swage Locked Grating
  2. Select bar spacing from table above
  3. Select bar size (consult load tables considering service loads and clear spans)
  1. Specify Plain or Serrated surface
  2. Specify banding or additional trim required
  3. Specify finish
    •Bare steel (no finish)
    •Painted (red, black, silver, other)
    •Hot Dip Galvanized (per ASTM A-123)
    •Other
  4. Specify fasteners (if required) - see Banding/Layout/Fasteners