Joisted Masonry Construction

This Construction Brief will give you an overview of ISO's Construction Class 2 — joisted masonry construction. When you've completed this course, you'll know what an ISO report means when it says a building is joisted masonry construction. And you'll understand why a particular structure is — or isn't — joisted masonry.

Definition

Buildings with exterior walls of masonry or fire-resistive construction rated for not less than one hour and with combustible floors and roofs.