Because every roof is different and offers its own unique set of challenges, a practical roofing system has to be flexible and versatile enough to handle practically any situation. WDG System 14? is that system. It has been designed to be a single-source solution for every roof situation and every rooftop feature. Plus, WDG offers environmentally responsible products that are economical and provide long-term performance. Silicone is unsurpassed in its waterproofing/weatherability properties. A silicone membrane over your existing roof creates a highly flexible, durable barrier that cures quickly, forms a seamless, self-flashing seal (no seams = no leaks), reflects heat and UV rays, usually eliminates roof tear offs, and offers years of sustainable/renewable performance in all climates.