Leak that is driving me crazy

[Bloss]

http://www.guttsa.com.au/ ... nearly used it once to repair a box gutter but the boss said a $60 tin of bitumous paint was cheaper. gutter still leaks.

but the owner had the leaky gutter later on - the boss saved the money at the time

This looks like a good idea and product, but will not help the capacity problem of Mat's gutter.