EPS or XPS

I will be building a new house near Tucson. Lately, I’ve noticed some houses under construction using a synthetic WRB and Formular 250 instead of EPS and 15# felt. A… I will be building a new house near Tucson. Lately, I’ve noticed some houses under construction using a synthetic WRB and Formular 250 instead of EPS and 15# felt. A…Read MoreGreenBuildingAdvisor