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Author Topic:   Is Marine Tex truly water-PROOF
alkar posted 04-14-2003 10:41 PM ET (US)   Profile for alkar   Send Email to alkar  
Marine Tex is advertised as "waterproof", but people speak of applying a "water barrier" of some kind over it following a repair. Is it adequate, by itself, to completely seal holes below the waterline?
doobee posted 04-15-2003 12:19 AM ET (US)     Profile for doobee  Send Email to doobee     
Marine tex is epoxy. As such it should be waterproof.
NEVER SCARED posted 04-15-2003 01:24 PM ET (US)     Profile for NEVER SCARED    
I used Marine Tex to repair the foward fin on my 150 that snapped from a sumberged log. I used a piece of cardboard covered with saran rap and did an unbelievable repair. I didnt expect it to last cause of all the pressure while at wot. The repair is 3 years old. It could be used for product advertisement. Getting the 5:1 mix is the only tough part. It is waterproof.
RWM posted 04-15-2003 07:58 PM ET (US)     Profile for RWM  Send Email to RWM     
I plugged a dime size hole in an engine water jacket and ran it for two months till the end of the season. The stuff is amazing.
where2 posted 04-16-2003 12:46 PM ET (US)     Profile for where2  Send Email to where2     
The chunk of it that we stuck to the front of the crank case on my 9.5hp Evinrude in 1986 is still stuck on there. Engine threw a rod, and cracked the front crank case housing. Marine Tex was much cheaper than a replacement housing. Not only is it water proof, it's fuel proof. Never Scared is right though, Getting the 5:1 mix precise is the tough part...

If you dont' cover it with something, it tends to yellow over time (white variety).

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