Thermal Block: A spacer of low thermal conductance material that is installed between the purlin and roof insulation, to prevent energy loss.
Masonry
Components and Cladding: Members which include girts, joists, purlins, studs, wall and roof panels, fasteners, end wall columns and endwall rafters of bearing end frames, roof overhang beams, canopy beams, and masonry walls that do not act as shear walls.