An experienced metal-roof-contractor can also help with rainwater harvesting systems. Because metal is a clean, non-toxic surface, the water that runs off it is ideal for collection in barrels or cisterns. The contractor can design the gutter and downspout system to feed directly into these storage units. This sustainable practice is becoming increasingly popular for gardening and gre... https://kkroofspecialist.com.sg/metal-roof-contractor/