ERSystems specializes in roof coating restoration systems that extend the life of your existing roof while reducing energy use related to cooling your building. ERSystems (Elastomeric Roof Coatings) a brand of ITW, is an international leader in cool roof coating technology and a strong supporter of sustainable and renewable building technologies. ERSystems' highly reflective roof coatings are Energy Star certified, meet LEED requirements and have been used to restore millions of square feet of metal, BUR, single ply membrane, and foam roofing systems.