how to close the roof gap so it doesn't leak

how to close the roof gap so it doesn't leak

[justforyoufromdr.santhikv]

It's a nice idea what's the material's name? Kindly help me as I'm in need of the same solution

[rabinsaha]

If water passing from the roof down close to the wall . what the solution is . pls confirm

[AbdurRahman]

what's the name of the materials..?

[Tokyo.JLAJE]

Wait for the strong winds on a rainy day that blow the rain under the panel.
Currently dealing with such a repair. Not my work.
Pulling down a soggy moldy plasterboard ceiling as I type.