Spray foam insulation with exterior foam board insulation

We’ve recently remodeled a 2 story farm house in central illinois, we had 2 inch closed cell sprayed in the exterior walls and 20 inches of cellulose blown in the… We’ve recently remodeled a 2 story farm house in central illinois, we had 2 inch closed cell sprayed in the exterior walls and 20 inches of cellulose blown in the…Read MoreGreenBuildingAdvisor