http://infinitygardens.ca/residential/services/fences-patios-construction-servicesMore about Fence gateI would give you a simple intro to fence gates. They are available in a variety of materials ranging from steel, alumininum according to your requirement. A Fence Gate has the dual duty of a fence and a gate.It can be used as a switchable barrier which can be opened and closed by hand or by redstone power. To place a fence gate, use the Place Block control while pointing at a block facing the space the fence gate should occupy. It can also be used as a switchable barrier. You would need wood, metal hardware and bolts to built these . You can contact a fences landscape designing firm which would be of great assistance for you in this matter.
