PRODUCT GUIDE Fluid-Applied Roofing The reflectivity of cool roofs fades over time due to soiling and weathering, requiring periodic maintenance. Photo: AP Photo, Matt Rourke Behind the recommendations Related articles Behind the recommendations Related articles Fluid-Applied Roofing Low-VOC, high-reflectance fluid-applied roofing for retrofits or maintenance More about Fluid-Applied Roofing Top-10 Products for Affordable Green Retrofits Are Cool Roofs Green? The Answer’s Not Black and White Roofing choices are complicated by heating tradeoffs, climate effects, and condensation, but proponents say reflective roofs still make sense in most climates. Better Choices in Low-Slope Roofing There are big differences in environmental impacts of commercial roofing materials, but the biggest variable may be service life. Membrane or Metal? Choices in Low-Slope Roofing