Our facility undergoes plan inspections to verify that modifications are completed in compliance with the requirements from the Intertek and UL specification listings. All content is analyzed in accordance with NFPA codes and specifications. A locking stay pin can be procured separately to help safe locking within the closed posture http://www.servicezz.com/directory/listingdisplay.aspx?lid=17445#.Yb91rMnMLIU