For far better or worse, I can’t inform them (or you) what size replacement doors are necessary, but I can give you the tactics to figure the sizes out. This document delivers facts concerning the galvanized sheet utilised in common steel door and frame building when a requirement for galvanized doors and frames is specified. Chem-Pruf’s Style 11 single rabbet frame has a profile of 2” x 9”, but can be manufactured in 1/4” increments from four 1/4” to 9”. These frames can be rated up to 90 minutes and is commonly utilised in wall construction 6” or higher. Some door producers sell doors in 7ft & 8ft heights and door widths from 24 inches to 42 inches.

Door heights normal for any type of door, but some door suppliers make bi-fold doors which are 77” or 79” when measure actual door slab and it is commonly refer to 78” … Read the rest