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This list contains some of the basic characteristics that should be met in all high performance homes. It has been used as our baseline criteria for all of BSC’s Building America projects.This list,… Read More

  2x6 framing XPS insulating sheathing Fiberglass or cellulose cavity insulation in stud space   Scoring: How It Rates The scoring of each wall system is based on the following five… Read More

OVERVIEWSpray foam insulation has significant advantages over other insulation systems due to the spray foam ability to provide continuity of the water control, air control, vapor control and thermal… Read More

Houses are environmental separators – they keep the outside out and the inside in.   Houses have walls, roofs and foundations that each have to be connected to each other (Figure 1).  To… Read More

IntroductionThis guide provides information on how to construct vapor diffusion ports when using fiberglass and mineral wool insulation with conditioned unvented attics and unconditioned unvented… Read More

This guide provides mechanical ventilation requirements of occupied spaces in new low-rise residential buildings including single-family houses and multifamily structures such as apartment buildings… Read More