MPI offers a wide range of doors and frames in various thicknesses ranging from .042 to .093 steel. Products are manufactured from highest quality commercial grade steel in cold-rolled, A60 galvanneal or G90 galvanneal. Products are manufactured for fire ratings up to three hours positive pressure including, hard to find stainless steel doors and frames.
MPI/ANSI A250.8 Hardware Reinforcement Comparison Chart MPI Technical Reference Guide MPI Shop Drawing Forms MPI Website