In home construction, getting great air sealing and insulation are the Holy Grail in delivering a high-performance home with an effective thermal envelope. The prevailing belief among many in the building industry is that only spray foam insulation can deliver the thermal performance and airtightness that is required but that simply isn’t true....

Building codes serve the fundamental purpose of enabling occupant welfare and safety. However, at times the lack of clarity in building code requirements creates a barrier to compliance for builders.

Sealing common air leakage pathways is key to achieving a tight thermal envelope. Often, hidden holes in new construction homes can make achieving an airtight envelope very difficult. Knowing where these hidden holes tend to occur can help builders avoid a massive air leakage issue. Our 10 Hidden Air Leaks in New Construction Homes guide covers...