Time will tell exactly how good this is, but seems to be the most effective product I have tried, (and I have previously used other products to stick repair patches to a pond liner without much long term success). About five years ago I used it to join a section of roofing felt to pond liner when making a waterfall and this is still holding fast with no noticeable leakage.
The only minor complaint, is finding enough other things that need bonding while the Bond+Seal remains usable. It would be good if it were available in a half size cartridge to save having to waste too much.
Verified purchase:Yes | Condition:new | Sold by:dlk.warehouse.ltd