Thermal bridging or the escape of heat through low-performing areas in a building envelope presents a huge problem for builders interested in energy-efficient buildings. One of the reasons that modern buildings are now more energy efficient than ever is that newer building energy codes, like the 2015 IECC and ASHRAE 90.1 prescriptively include the...

With 2018 coming to a close, we reviewed the most read blog posts of the year. Air sealing was our most popular topic. With more states adopting stronger energy codes, readers were very interested in how to use high-performance building practices and proper air sealing to achieve new air tightness targets.