Green roof coverings use this possibility and have confirmed to double or perhaps triple the life span of your rooftop. The barrier of greenery assists shield the waterproof membrane underneath and guarantee your rooftop's life expectancy lasts well for years. A properly mounted, irrigated and maintained living roof covering need to last for approximately 50 years. If the plants on your roof are passing away, or the weeds are taking over, you need to call P&amp