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Author Topic: best waterproof Wood Glue  (Read 2021 times)

Peter57

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Re: best waterproof Wood Glue
« Reply #25 on: July 30, 2021, 01:06:52 pm »

Hello,


I am just picking up on this thread. I am looking to join various pieces of (predominantly) plywood together to construct a simple hull. Is aliphatic still the preferred option please?

What would be the simplest approach to waterproofing the hull once it is assembled please?


Many thanks
Peter
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Tug Fanatic

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Re: best waterproof Wood Glue
« Reply #26 on: July 30, 2021, 02:30:42 pm »

In my opinion the "best" adhesive is slow set epoxy.

The other adhesive that I use is Titebond III in which I have confidence.

There are plenty of tests out there but few test for damp penetration etc. We each make our own choice.
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rnli12

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Re: best waterproof Wood Glue
« Reply #27 on: July 30, 2021, 02:38:44 pm »

If there is any chance of exposure to water i go for cascamite,personal choice
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Regards,

Rich

tonyH

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Re: best waterproof Wood Glue
« Reply #28 on: July 30, 2021, 03:06:55 pm »

Cascamite is possibly stronger and more waterproof in the long term but Titebond 3 is pretty good and certainly easier to use unless you plan ahead so you don't have to make up small amounts of Cascamite. :-))
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John W E

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Re: best waterproof Wood Glue
« Reply #29 on: July 30, 2021, 04:06:00 pm »

Hi ya Peter


I suppose really, this is one of those questions which opens a can of worms, as every modeller has his favourite ways of doing things and favourite materials to use.  So, to ask a Forum like this one (an open Forum) you will receive many varied answers because each and every one has their own preference.   Really, the golden rule is, there is no right way/wrong way, right stuff/wrong stuff - So I think the real answer is - have a read through and see what fits your bill and try it.   As an old friend used to say - suck it and see.   


I am going to put a couple of examples on which I myself have used - Epoxy finishing resin by itself on the outside of a hull.   I have used Epoxy resin with a very fine woven material (similar to what the aircraft modellers skin their model aircraft wings with).  Also, polyester resin, with tissue matt. 


Also, there is an example of where I have glued a prop tube in place using 2 minute - 2 part Epoxy resin.  The only time I use a 2 part Epoxy resin (the stuff you buy in tubes) is when I am bonding 2 totally dis-similar materials together.  Such as the brass tube to plywood.

1st image: ZEpoxy with woven wroven
2nd image: " epoxy by itself
3rd image: Prop tube 2 part epoxy
4th image: Polyester resin with tissue matting

Something to think about ; John


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Peter57

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Re: best waterproof Wood Glue
« Reply #30 on: July 31, 2021, 02:14:26 pm »

Many thanks for the information and various options.


Plenty for me to think about.


Regards
Peter
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