Insulation choices

Hi I am building a house in Michigan zone 5 and am deciding on either 2×4 walls 16″ oc with r13+5 or 2×6 walls 24 oc with r-23 mineral wool.… Hi I am building a house in Michigan zone 5 and am deciding on either 2×4 walls 16″ oc with r13+5 or 2×6 walls 24 oc with r-23 mineral wool.…Read MoreGreenBuildingAdvisor