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Old 22 August 2019, 03:16   #1
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Seams and tube materials

Hi guys,

sorry for newbie questions but I'm a little bit confused from all that reading on forum.

I've read somewhere that welded seams are better than glued.
I also know that hypalon is longer lasting and should be tougher than PVC.

But hypalon can be only glued, right?
So what is the purpose of longer lasting tube if your seams don't last as long as tubes. Or do they?

So, if you cover your boat, keep it on trailer 11 months of the year, but use it all year round 2-3 times per week, is glued hypalon better and longer lasting than good PVC that is welded?
What would be average life cycle of each before first problems start to occur in those conditions?
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Old 22 August 2019, 07:28   #2
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My understanding is that PU (which is harder wearing and more resilient to UV than Hypalon but more difficult to manufacture/repair) has welded seams, Hypalon and PVC is glued?
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Old 22 August 2019, 09:17   #3
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my PVC is welded i know of a 12 year old boat same make as mine looks like new, PVC is getting better same as any if you look after it should last. PU lasts well too but no experience of owning a boat with it myself
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Old 22 August 2019, 11:00   #4
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In order of personal preference:-

Glued Hypalon
Welded PVC
Wouldn’t touch glued PVC

That said, I’m about to purchase a SIB that will most likely be welded PVC, but I know its limitations & the care required to prolong its life. Given the choice I’d go for good quality glued Hypalon every time.
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Old 22 August 2019, 12:38   #5
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Some issues :

Hypalon lasts at least 3 times than PC fabrics if exposed to permanent UV radiation as in the tropics where the sun punishment is way more than in other countries, is an expensive material, can cosat as much as 2.5 times more than high quality PVC fabrics, a sharp knife will cut it as cutting cheese same as PVC or PU. Not ideal for Rambo's use.

Welded tubes are manufactured placing a glue tape in the middle of the future seam and then rolling both sides under a heat roller which bonds both sides instantly, it's a faster, cheaper method than when gluing tubes by bare hand. This is an indirect welding method not a direct one in which no bonding material is used.

The duration of any glued seam will depend entirely on the quality of the glue and hardened used and the controlled temp and moisture of the room the tubes were asembled at.

If wanting to prolongue the lifespan of any tube, just inflate tubes to their recomended factory working pressure when the boat is in use, buy a good quality thick boat cover if boat will be kept exposed to the open elements and apply UV protectors from time to time.

Happy Boating
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Old 22 August 2019, 13:30   #6
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Info if you look at the dosh side of it more or less equal on a SIB IMO


PVC vs CSM
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Old 22 August 2019, 16:35   #7
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Quote:
Originally Posted by jeffstevens763@g View Post
Info if you look at the dosh side of it more or less equal on a SIB IMO


PVC vs CSM
Same applies for manufacturing a Sib, Rib or any other water toy. Did you know that all these fabrics are used in many other applications than just inflatable boats.

Let OP choose whichever material fits his budget, would recommend to buy the one with thicker PU, PVC or Hypalon fabric than standard 0.9 mm fabrics. Thicker Hypalon Orca fabrics than 0.8/0.9 mm ones will skyrocket any budget badly.

Happy Boating
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Old 23 August 2019, 03:05   #8
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If I go with PVC, what fabrics brands are considered as great and what thickness do you recommend above 0.9mm?

If I go with RIB and hypalon, I'll go with orca 828 since boat I'm looking at comes standard with it. It is Croatian made Barracuda 470, starting price is 10k euros for new. With Suzuki DF60 and some optional stuff it will be 19-20k.
I like the look of Brig ribs, but they are expensive and you guys have mixed reviews about them here.
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Old 23 August 2019, 03:12   #9
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Quote:
Originally Posted by Locozodiac View Post
Same applies for manufacturing a Sib, Rib or any other water toy. Did you know that all these fabrics are used in many other applications than just inflatable boats.

Let OP choose whichever material fits his budget, would recommend to buy the one with thicker PU, PVC or Hypalon fabric than standard 0.9 mm fabrics. Thicker Hypalon Orca fabrics than 0.8/0.9 mm ones will skyrocket any budget badly.

Happy Boating
as always you dont read the full story on a previous thread he was enquiring about PVC boats quicksilver HD etc. now a comparison between materials as i posted the link, hypalon does wear the best but in my boats case it was nearly double the cost so i elected to buy PVC with the same guarantee period 5 years of some hypalons so 2 x PVC for 1 x hypalon boat. yes its his choice but he asked for opinions
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Old 23 August 2019, 03:49   #10
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Quote:
Originally Posted by BlackMarlin View Post
If I go with PVC, what fabrics brands are considered as great and what thickness do you recommend above 0.9mm?

If I go with RIB and hypalon, I'll go with orca 828 since boat I'm looking at comes standard with it. It is Croatian made Barracuda 470, starting price is 10k euros for new. With Suzuki DF60 and some optional stuff it will be 19-20k.
I like the look of Brig ribs, but they are expensive and you guys have mixed reviews about them here.
IMO if you go PVC the thicker the better thats my experience.
as the link states there's pros and cons storage, use, climate have deciding factors only you can decide what fits your circumstances and budget
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