Eco-friendly roofs supply this possibility and have shown to double or perhaps triple the life span of your rooftop. The barrier of greenery helps protect the water-proof membrane below and guarantee your roof's life expectancy lasts well for years. An appropriately set up, irrigated and maintained living roofing system must last for approximately 50 years. If the plants on your roofing system are dying, or the weeds are taking control of, you need to call P&amp