Guide to the use of grating

The ASSOGRIGLIATI guidelines are being updated and supplemented following the publication of the NTC 2018 - Technical Standards for Construction published in February 2018 in the Gazzetta Ufficiale.

The Assogrigliati Guide intends to provide end users with an adequate safety and product standard and above all to inform customers by facilitating them in the correct installation of electro-welded and/or pressed gratings according to current regulations.

The Guide is updated with the Ministerial Decree of 14 January 2008:

  1. UNI standards for electro-welded and/or pressed grating: UNI 11002-1, UNI 11002-2, UNI 11002-3
  2. Technical selection criteria for grating panels
  3. Capacity tables
  4. Calculation examples for Class 1 - 2 - 3 - 4 loads
  5. Use and installation of grating panels
  6. Gratings floors
  7. Empty/full ratio for grating panels
  8. Capacity classes and tables (loads and footprints)
  9. Dimensioning criteria for grating steps for public and private staircases
  10. Forklift trucks
  11. Dimensional tolerances of bearing bars and cross bars
  12. Electro-welded and pressed grating weight tables
  13. Breaker beams
  14. Glossary

The technical evaluations of the data in the Guideline have been elaborated by Assogrigliati on the basis of tests carried out at the Politecnico di Milano. 

The ASSOGRIGLIATI Guideline is also available in English, for more information write to


Guide to the use of grating