Equivalent but diverse terminology. Base line, my concern is can we make use of one unenclosed exit from your mezzanine? Yankee Chronicler explained: A mezzanine should be in just a place or Room. If this "mezzanine" is enclosed and both equally means of egress discharge directly to the outdoors, IMHO https://rylancfvne.activosblog.com/37083678/not-known-facts-about-pallet-gate-uk