Eco-friendly roofs provide this possibility and have proved to increase or perhaps three-way the life expectancy of your roof. The obstacle of greenery aids shield the waterproof membrane underneath and guarantee your rooftop's life span lasts well for years. A properly installed, irrigated and conserved living roof covering must last for as much as 50 years. If the plants on your roof covering are passing away, or the weeds are taking over, you need to call P&amp