But some roofing systems are better equipped than others. The GE Silicone Polyurethane Foam Roofing System has been designed as the ultimate covering for flat and low-sloped roofs. It's a sprayed-on system that seals itself and everything it adheres to, forming a seamless blanket of protection against the elements. Not moisture sensitive. Monolithic construction prevents lateral moisture flow.
Lateral moisture flow a definite problem.
Leaks hard to find, difficult to repair. Lateral moisture flow can be a problem. Seams especially vulnerable. Leaks difficult to locate. Longevity Excellent, proven long life - early 1970's installations are still functioning.