This post first appeared on the Green Building Advisor website. Residential Post-and-Frame Construction, Part 5: Insulation and Air-Sealing – GreenBuildingAdvisor
Cavity Insulation
I was brought on the barndominium construction team after many decisions were already in place. The design was, for the most part, finished. Many of the assemblies had been designed, such as the decision to use laminated posts six foot on center with the horizontal wall girts both inside and out. The original plan for the insulation was to use up to seven inches of closed cell spray foam in the walls. I was able to change the insulation strategy with a plan for a more “forgiving” assembly. We chose to go with Rockwool’s 7.25-inch ComfortBatt, which has an insulation value of R-30. Continue reading “Barndominium Part 4-Insulation and Air Control”