Ignore this advice, please!
One tiny detail, when you have the two cut ends to join together just give them a rub with an abrasive paper or such to remove the shiny layer. It gives a better chance for the glue to be watertight when you push the pieces together.
Rooboo, it’s good that you’re keen. But please refrain from giving advice with great authority on subjects which you clearly lack knowledge - this applies to many threads but on this one your earlier advice to use duct tape would more than likely bring someone’s ceiling down or worse.