In 2018, the Washington State Energy Code, Section C403.10 required any ducts that were part of the external envelope of the building to be insulated as though they were a wall, which prompted contractors to find an R-19 solution. The first R-19 duct wrap is now on the market. See how this innovative, new product helped solve this major problem for contractors in Washington State in our brand new case study. Download the case study.


Feb. 24, 2021
by Kim Melton