Role of WRB in open-joint cladding design

Importance of UV stability The exterior of the Collaborative Life Sciences Building (CLSB) in Portland is made up of prefinished perforated panels of aluminum, engineered in a corrugated profile. If wind, rain, and snow can get through the open joints, it goes without saying UV light can also do so because the wall assemblies are […]

Maintaining continuity: Keeping air/moisture barriers continuous at movement conditions

All images courtesy Sto Corp. by John ChamberlinAt this point, most design/construction professionals have a pretty good understanding of the need for well-designed air and moisture control layers in wall assemblies. Water-resistive barriers (WRBs) have been in use for decades; in more recent years, a number of new systems have popped up that combine these […]