At first I thought it may not work on the leak I had on guttering. Sprayed it and so far no leaks well happy. And it had rained for 2 days. So very happy
Ajay
I used this to stop leaks in a ceramic water feature that holds plants and fish and it works.
Billy H.
Worked well, and long lasting. i use it on my leaking window . keep rainning,it helps me a lot,super love it