This is the MAGNASEAL, a magnectic urethane sheet designed to immediately stop leaks by IcePizzaCreamm
BaneRiders on October 13, 2025 8:12 pm That’s cool. Now I just need to find some spectacularly leaking tank of toxic waste to try it out on.
Rarewear_fan on October 13, 2025 8:32 pm 1. This is literally just an advertisement 2. Flex tape in shambles
Daskar248 on October 13, 2025 8:35 pm I imagine you gotta be careful where you store these at before you put them to use. Or they come in a wide box full of nonmetal material.
digitallis on October 13, 2025 8:36 pm Except, you know, most holes are either gouges with raised and sunken edges, or are on corners or welds.Â
getamic on October 13, 2025 8:57 pm How often do leaks form on flat uniform surfaces with no welds? I would imagine most of them form in corners where this wouldn’t be nearly as effective.
tomgreen99 on October 13, 2025 9:17 pm But can it fix a boat? 
25 Comments
For how long does it stick?
That’s cool. Now I just need to find some spectacularly leaking tank of toxic waste to try it out on.

I have no real use for this product.
I’ll take 10 of them, JIC
I love magnets!
Also good for OP’s mom
Telling flexseal to hold its beer!
That’s a lot of damage!
Urethane? Was it made out of urethras?
Great as long as it’s not an aluminum or plastic tank.
1. This is literally just an advertisement
2. Flex tape in shambles
The slap seal got succeeded
I imagine you gotta be careful where you store these at before you put them to use. Or they come in a wide box full of nonmetal material.
Except, you know, most holes are either gouges with raised and sunken edges, or are on corners or welds.Â
Fucking magnets, how do they work?
https://i.redd.it/udlrbz4nxxuf1.gif
All right, that’s pretty cool.
Game changer.
If only they had a few of these on the titanicÂ
How often do leaks form on flat uniform surfaces with no welds? I would imagine most of them form in corners where this wouldn’t be nearly as effective.
Joke’s on you: my submarine is carbon fibre
<slaps this onto your 4080 rig>
I fixed your memory leak!
But can it fix a boat?


Everyone is forbidden from making a C.K edit