Originally Posted by xort
Comments on Boatlife Life Seal???
Use it carefully & sparingly as it contains silicone. While silicone does have it's specific uses on a boat I would steer clear of it.
I have seen chain plates that required re-bedding every few months because an owner at one point use silicone. The subsequent re-beddings would not hold and stick to the glass because it had been contaminated with silicone.
Once we thoroughly sanded the surfaces of both chain plate and the fiberglass we finally got a sealant to adhere.
Here's my own personal story on silicone and it's only part of why I avoid it like the plague.
In 1995 I purchased two Current Designs Solstice Kevlar sea kayaks. These were beautifully crafted vacuum bagged 18' boats that weighed about 45 pounds. I paid BIG money for these boats and loved them. Well after a few trips I was noticing water in the aft water tight compartment where your gear is stowed.
Kayaks are made in two pieces the deck and the hull then glassed together in a tricky process. To make a long story short I met the factory rep at one of my local retailers and we dunked the sterns of the kayaks into the demo pond vertically. I stuck my head in the aft compartment and there were about a dozen pin hole leaks squirting water into the boat along the seam. Both of my 3k boats were inflicted with this problem! The rep told me how to attempt a fix and I did with NO luck. I even went to a body shop supplier and got a special "silicone remover" that also did NADA.
After my unsuccessful attempt at repair we sent them back to the manufacturer for repair during the middle of the summer
. After about four weeks I got a call from the rep that the boats were un-repairable. Current Designs built me brand new boats and shipped them to me.
How did this happen? The story I was told is that a "motor head" who worked in the glass shop was using silicone tire gel on his lunch break to detail his tires on his car and after lunch contaminated a number of boats during the hull to deck assembly.
The moral of this story is that in my situation neither myself nor the manufacturer could fix this problem even with judicious sanding and the use of very dangerous chemicals. NOTHING would remove this silicone and prevent the fish eyes. Current Designs ate 6k worth of kayaks due to the carelessness of one employee. I don't know how many other boats were totaled but I'm sure it was more than just mine..
Silicone has very few legitimate uses on boats and generally is NOT allowed on board mine unless it is a very, very specific use.... The stuff is like nuclear waste (Nu-clee-er not
Nuk-U-Lur) in that it's nearly permanent.
Life-Seal contains Silicone.