Insulation is key to keeping your metal building's interior comfortable, making your building more energy efficient, controlling moisture intake and muting noises. Before you begin adding insulation to your metal building, here are five things to keep in mind. 1. Install a radiant barrier. A radiant barrier is placed between your building's metal exterior and ...The post 5 Things to Know about Adding Insulation to a Metal Building appeared first on CMI Insulation.