Installing T&G tight knot cedar 1×6 on a SIPS vaulted ceiling

I plan to install 1 x 6 T&G tight knot cedar on the vaulted ceiling of my SIPS house. If I use a 2 x 4 furring system between the… I plan to install 1 x 6 T&G tight knot cedar on the vaulted ceiling of my SIPS house. If I use a 2 x 4 furring system between the…Read MoreGreenBuildingAdvisor