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 wood to fibre glass adhesives		  New Topic  Topic Locked
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jerlim
Master Marine Consultant

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USA
1484 Posts
Initially Posted - 07/31/2006 :  06:49:57  Show Profile
I want to laminate some wood strips onto the inside of the cockpit port locker and then lay boards across to create a shelf. I'm considering using 'liquid nails' as an adhesive - any thoughts?
Many thanks as always!
Jerry
Jerry
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atgep
Master Marine Consultant

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1009 Posts
Response Posted - 07/31/2006 :  07:44:34  Show Profile
Liquid nails may work but for a long term solution, epoxy is the only way to go. It is not hard to mix or use. It comes in a variety of formulas and is invaluable to have around.

Tom.
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Bill Holcomb
Admiral

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USA
769 Posts
Response Posted - 07/31/2006 :  09:08:41  Show Profile
Hi Jerry,

As Tom said, epoxy is a great solution. My brother and I have used lots of the stuff over the years in our boat restorations. We like WEST System best, but others work well too.

Another good choice would be 3M 5200. It's "one-part" so no mixing and comes in either tubes (ala toothpaste) or in canisters like bathtub calk that fit in a "gun".

Which ever you use, be sure to allow adequate drying time, and read the directions regarding cleaning the area, operating temps, humidity, etc.

Bill Holcomb - C25 Snickerdoodle #4839
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jerlim
Master Marine Consultant

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USA
1484 Posts
Response Posted - 07/31/2006 :  09:19:19  Show Profile
I saw the 3M 5200 at WM and wondered if it would be appropriate. I also need to fill some small holes 1/4" or less, in the mast and boom left behind by old hardware that has been removed by the P/O. Do you think the 5200 will work as a filler on the aluminum?
Many thanks for your insights and advice!
Jerry
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Heartbeat
Navigator

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USA
161 Posts
Response Posted - 07/31/2006 :  11:08:49  Show Profile
Sounds to me like West System Epoxy (with or without filler) is what you want. Buy the pumps, they make mixing it a snap. I use old yogurt cups (cleaned) and a toungue depressor to mix it.

Careful about 5200 - it is permanent. Usually you will have to destroy the two things you put together to take them apart. 4200 seals almost as well and works the same but it can be disassembled.

4200 or 5200 will adhere to aluminum and fill holes just fine, but you will have white goo...

-Matt Q.
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Gloss
Master Marine Consultant

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USA
1916 Posts
Response Posted - 07/31/2006 :  20:18:05  Show Profile
I went to a seminar on repairing fiberglass, or kevlar whitewater kayaks. We were tought that epoxy will bond to fiberglass better than any polyester resin will.
My friends down in the Carribean say that they are now using the MAS system of epoxy instead of the West system, I believe that is due to the amine blush you get with the west system. I have used the west system a lot, and the blush is a pain in the butt to deal with.
My epoxy is old now, so when I have another repair project I'm going to try the MAS system.
another reason to use the epoxy, whichever system you choose, is that the epoxy will saturate the wood fibres, preventing moisture ingress, and thus rot.
so this is a long winded way of saying that I would use epoxy over liquid nails, or 5200. You could coat the entire piece of wood for total protection, unless it is in the sun, then you need an overcoat of UV resistant varnish. But don't forget to remove west's amine blush.
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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.