Global Cool Roof Material Market Assessment, By Roof Type [Steep-sloped Roof, Low-sloped Roof], By Product Type [Coated Roofs, Foam Roofs, Cool Roofing Membrane, Modified Bur, Metal Roofs, Tiles and Slates, Others], By End-user [Residential, Commercial, Industrial], By Region, Opportunities and Forecast, 2017-2031F