I'd be thinking about the aesthetic of it first and foremost. Might not be a good look.
This I'd be concerned about its response to our variable climate. I'd be concerned about warping and separation of the door and it's component pieces over time and temperature even if you treat it to within an inch of its life.
This I'd be concerned about its response to our variable climate. I'd be concerned about warping and separation of the door and it's component pieces over time and temperature even if you treat it to within an inch of its life.
Weight and cutting to shape if needed might be issues. Teak is a dense wood and was/is used for the decks of ships due to its hardwearing qualities. Just be careful how its suspended. I'm amazed a 2nd-hand teak door would be cheaper than a soft-wood side gate.