Environment-friendly roof coverings supply this possibility and have confirmed to double or even three-way the life expectancy of your rooftop. The obstacle of plant assists shield the water-proof membrane layer below and guarantee your rooftop's life expectancy lasts well for years. A correctly installed, irrigated and maintained living roofing need to last for up to 50 years. If the plants on your roofing system are passing away, or the weeds are taking control of, you need to call P&amp