Foam Roof
 

At ocean seven roofing, we use the best materials: R-Thane spray
polyurethane foam roofing. The most energy-efficient option available,
R-Thane is fast becoming the roofing system of choice for today’s
contractors for both new and retrofit work. It’s also greener than
other options, with no tear-off to transport to landfills.The finest
foam system.
http://www.oceansevenroofing.com/Ser...20roofing.html