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Old 10 September 2014, 06:53   #1
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Gluing transom

I have used several different products trying to glue the transom back to the tube slides and had no luck so far, so I have decided to order some products online and do it properly. Still, since it's my first time doing this, I need some help from the gurus.

I'm thinking about buying the products from Polymarine but I'm not 100% sure if this is the best solution or if there is other way around it.

My boat is a PVC Suzumar with a wood transom. From what I have understood I have to prime the transom with hypalon adhesive, then clean the slides with solvent primer and finally apply the 2 part PVC adhesive to glue everything together.

I think I got the products right but I'm not sure how much product do I need to order and what procedures should I take during the process:
Should I let the hypalon adhesive rest and dry before putting the PVC glue?
What does 2 part adhesive mean? 2 compounds or apply in both surfaces?
Does the PVC adhesive glue instantly or do I need to apply some pressure?
Do I need this specific solvent primer or acetone does the trick?

Any help is welcome. I'm a complete newbie with this kind of things.
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Old 10 September 2014, 11:39   #2
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I cleaned all the old glue off, scuffed the PVC, sanded the transom, quick wipe with MEK as a prep, put a layer of PVC glue on both pieces twice, then assembled.

PVC is a two part glue, at least the good stuff.

I don't have time to write a step by step, but have done so many times in the past.
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Old 10 September 2014, 12:18   #3
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Quote:
Originally Posted by Amukinado View Post
Should I let the hypalon adhesive rest and dry before putting the PVC glue?
What does 2 part adhesive mean? 2 compounds or apply in both surfaces?
Does the PVC adhesive glue instantly or do I need to apply some pressure?
Do I need this specific solvent primer or acetone does the trick?
1. Yes, glue on both, allow both to dry (1/2 hour or so), apply a second coat to both, allow to become nearly dry (10 to 15 minutes), then stick them together.

2. 2-part adhesive has either an activator or a modifier. You mix the additive in just before using. It goes onto whatever you're gluing as a single component.

3. It's a contact adhesive. You can't reposition things. Pressure is required to get good contact between the layers of adhesive. More pressure the better (as long as you don't damage anything.)

4. MEK would, I believe, be better than acetone. It's a little "stronger", it doesn't evaporate as fast, and it softens the surface of the PVC better to get good adhesive penetration. You don't need a whole lot; just a wipe or two with a damp clean rag.

Hope this helps;

jky
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Old 10 September 2014, 12:31   #4
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Thanks for the input!

What about quantities? Will 1 pack of each be enough to glue all the parts?
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Old 11 September 2014, 11:08   #5
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Sort of depends on the size of the pack, I'd guess.

I usually end up with the Weaver (hypalon) glue; it comes in (I think) a 4 oz can, which should be enough to glue up the transom supports and the transom, though it may be little close. The glue is pretty thick, so the amount remaining seems to drop pretty fast.

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