Global Roofing Chemicals Market Assessment, By Type [Polyolefin, Polymeric Vinyl Chloride, Polyurethane, Others], By Application [Fiber Cement, Metal Roof Tiles, Concrete, Roof Waterproofing, Coil Coatings, Others], By End-user [Residential Roofing, Commercial Roofing], By Region, Opportunities and Forecast, 2016-2030F