LOW SLOPE ROOFING  The Eco-44 system is designed to be installed with all known flat roofing materials regardless of the roofing substrate or insulation thickness for new or existing (retrofit) solar panel applications, and is accepted by most major roofing material manufacturers without voiding warranties. The Eco-44 features a patented, watertight seal and has a large base with multiple fasteners designed to distribute compressive loads over most standard insulation.