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Author Topic:   Is Marine Tex truly water-PROOF

alkar posted 04-14-2003 10:41 PM ET (US)
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)
Marine tex is epoxy. As such it should be waterproof.
NEVER SCARED posted 04-15-2003 01:24 PM ET (US)
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)
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)
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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Author	Topic: Is Marine Tex truly water-PROOF
alkar	posted 04-14-2003 10:41 PM ET (US) 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) Marine tex is epoxy. As such it should be waterproof.
NEVER SCARED	posted 04-15-2003 01:24 PM ET (US) 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) 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) 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).