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Old 15 June 2008, 16:59   #1
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2 zodiacs 2 questions

I have 2 zodiacs each needs repairing.
first one is a 8 ft pvc and the tube is seperating from the yolk I yried using westmarine glue but it didn't hold. it is the tender for my boat so i would like to repair it

second I have a heavy duty pvc 12 ft inflatable keel with aluminum floor boards the seam on the tubes each side about 1.5 ft from the front has seperated what product can i use to glue the seam so it won't seperate
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Old 16 June 2008, 05:39   #2
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You need purpose 2-part PVC Glue. In the UK - I've used product from a company called Polymarine. See www.polymarine.com

A good strong repair is all in the preparation. Lightly sand both surfaces to be glued. Then clean area with acetone to degrease it and leave to dry. Mix up PVC adhesive - enough to do the job, and apply curing agent. You will have about 20 minues before it will become too difficult to work with.

Coat both sides of PVC fabric with glue, wait until almost touch dry and apply a second coat. Now force fabric together and hold in position. Either use G-clamps to apply pressure or weight down the glued area. You can use a little chalk if you over-glue an area to stop it sticking. Leave for 24 hours.

Did this on a Zodiac CGT (circa 1980s) which had a leak in the sponson end cone and the seam was pulling apart. Worked a treat, and was as strong as it was orignally.
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Old 16 June 2008, 09:34   #3
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A second alternative : PVC 2 part glue from Tip-Top, a German brand Company, comes in a round 350 ml green can, includes hardening. Superb gluing. Same gluing procedure as Spartacus recommends.

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Old 16 June 2008, 11:57   #4
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what grit sand paper should i use
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Old 16 June 2008, 12:00   #5
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sorry another dumb question is the 2 part stronger than the 1 part glue
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Old 16 June 2008, 15:49   #6
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Quote:
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sorry another dumb question is the 2 part stronger than the 1 part glue
Definitely, 1 part for emergency repairs, usually the glue that comes with the boat.

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Old 16 June 2008, 15:49   #7
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The 2 part glue is basically an adhesive and curing agent (hence 2-part). It's the same as they use in the factory.
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Old 16 June 2008, 17:52   #8
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Hi there,
the Zodiac is a kind of PVC named Strongan. To glue this, you will only succed with the orginal Zodiac 2 part glue. It is a kind of cold welding . You have to clean the surfaces with MEK cleaner, you can buy it in a shop for sanitary stuff. It is also for the PVC tubes in the houses, to prepare for glueing.
The glue for PVC from Zodiac has to be worked on the surface with a brush 3 times.
First time until dry (45 min ), second time until dry (45 min )and the third time until fingers bond on (10-15min). Then press together. Then wait 2 days for hardening and best 7 days for use in the water. Any other glue will bond but not hold for long time.
And do not sand it, only clean the surfaces with MEK cleaner. Acetone will make the PVC hard .

Good luck, it s not a trick

Mike
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Old 16 June 2008, 17:55   #9
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The Zodiacs are not bonded together in fabric, they are welded at 170 Grad Celcius with a high frequency welding machine where the parts melt together.
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Old 24 June 2008, 12:10   #10
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The Zodiacs are not bonded together in fabric, they are welded at 170 Grad Celcius with a high frequency welding machine where the parts melt together.
You can use any good quality PVC 2 part mix glue to re glue Zodiac's parts again, being the original factory Zodiac glue quite expensive, we're using a nice, nothing to envy Zodiac alternative, the Tip-Top German brand 2 part mix glue, needs only 2 both sides application prior to joinning together. Dries very fast, excellent gluing.

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