Gum Leaf Gutter Guard is made from BHP colorbond steel so it won't rust or sage with age or load. Availabe in most colorsteel colours. Other colours are available by arrangement.The unique patented louvre design (like a cheese grater surface) makes it ideal for water harvesting and keeping your spouting clear of leaves, birds, vermin, snow and hail. For further infomation and installation videos go to http://www.gumleaf.co.nz