What are Sips?   Structural Insulated Panels (Sips) are walls, roofs, floors and foundations made of panels. They consist of a rigid foam insulation core sandwiched between two structural skins.   Types of SIPs?   There are three main types of SIPs EPS cores which tend to be the lowest-cost option. Polyurethane and polyisocyanurate cores Read more about What Are SIP Panels?[…]