Green roofing systems use this possibility and have shown to double and even triple the life span of your rooftop. The obstacle of plant assists safeguard the water resistant membrane layer beneath and ensure your rooftop's life span lasts well for decades. An effectively installed, irrigated and maintained living roof covering must last for as much as 50 years. If the plants on your roofing system are dying, or the weeds are taking control of, you require to call P&amp