I-beam rather than lvl

I’m in the process of replacing floor joists for the second floor (1.5 story cape).When built the top floor was just attic space and there were several room below. Many… I’m in the process of replacing floor joists for the second floor (1.5 story cape).When built the top floor was just attic space and there were several room below. Many…Read MoreGreenBuildingAdvisor