Headwaters, Inc. is a building products company providing products and services in the light and heavy building materials sectors. The company sells building products such as manufactured architectural stone, siding accessory products and concrete block and also markets coal combustion products. It operates through three segments: Light Building Products, Heavy Construction Materials and Energy Technology. The Light Building Products segment designs, manufactures and markets siding accessories used in residential home improvement and construction which includes decorative window shutters, gable vents, and mounting blocks for exterior fixtures, roof ventilation, window and door trim products. The Heavy Construction Materials segment markets coal combustion products, including fly ash, a mineral admixture that may be used as a partial replacement for portland cement in concrete. The Energy Technology segment owns coal cleaning facilities that are capable of separating ash from waste coal to provide a refined coal product. The company was founded in 1995 and is headquartered in South Jordan, UT.