Foam board insulation has a variety of applications and is a versatile and durable product. Generically speaking, insulation boards should maintain their thermal performance for the life of the board, will not sag or delaminate. Foam boards are lightweight making it easy and fast to install, just remember that foam boards should be installed without gaps for optimal thermal performance. In addition to its thermal performance, foam boards also provide acoustic sound damping properties to keep noise levels at a comfortable level within your home.