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Fabric System

gli77

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Nearing the fabric stage and have been reading about polyfiber, superflite and ceconite/randolph. First time doing fabric work so looking for who has a favourite system? Any info on the longevity of one over the other? Pro's & cons.

Thanks
 
Poly Fiber! I find to be easy to work with IMHO, poly tone paint for ease of repair, Ranthane polyurethane if you are going to be entering it in a show, www.polyfiber.com longevity would depend on how you keep and store your airplane, inside or outside and where you are located geographically, other opinions will vary as they always do!?!?!?

Rick
 
bob,
jason told me they had a new-better top coat,maybe he'll comment!! i'd do stewarts again even if was still the old finish!!!!

opinion and my limited experiance
 
Stewarts!!! If experimental I would be tempted to try Oratex. Based only on other's comments, it seems that it would depend on the color preferences.
 
I will have to take a look at the Stewarts system then. I didn't think it was a certified method.

Anyone used the superflite process?
 
I've done dopes, Polyfiber and Stewarts. My preference is for the nitrate butyrate dopes with a polyurethane finish, but with the low toxicity of Stewarts, that's probably what I'll be doing from now on. As previously mentioned, Stewarts came out with a new formula for their finish coat a couple of years ago that is much less finicky. One plane that we did was finished with their old finish coat, then refinished with their new finish coat following hail damage. Night and day difference.
 
I like air tech and super flight in our shop.I am currently trying poly fbrs star gloss system on two supercubs.I think the top coat on star gloss is little more forgiving.but I have seen excellent results from some of the other systems.
 
Polyfiber with Ranthane color or Randolph nitrate/butyrate with dope color or Ranthane poly.
 
So from what I'm seeing it seems like Stewarts is the most popular followed by Stits and Air Tech, with Superflite getting a couple negatives for it.

I'm looking for a gloss "wet look" finish, and keep my airplanes inside. Im thinking of going with the White with a Red stripe, and leading edges with a thin silver stripe worked in. I will have to do some reading. Its my first fabric job and its on a SuperCub so I want to be sure I go the right way.

Thanks,
 
Just finished my sixth float season with Superflite polyurethane.......sits on the water six months out of the year and everyone still gawks at the finish. Won "Outstanding Fabric Seaplane" OSH 2012. The new System 7 has more flex agent in it I understand. Using a little more MEK isn't that bad, just don't stick your nose in it. WP_20131007_046.jpg
 

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Thats a great looking J3 flylowslow!

Sounds like everyone that's posted is happy with the system they've used. I'm thinking either superflite or stirs for this project.
 
The new Stewart's paint is much easier to spray than the previous paint formula, I sure like the glossy finish and my experience with it in cold weather is that it is flexible and stays shiny.

Vickie
 
Stewart's glue is really easy to use.Filler is easy to apply and sands nice. The water based topcoat has cyanides in it like other 2k topcoats. IT IS TOXIC. It's a well documented process (dvd, online videos, websites printed manual). Their material estimation was at least 30% too low. The company is great to work with, very helpful and nice people.
 
Stewart's glue is really easy to use.Filler is easy to apply and sands nice. The water based topcoat has cyanides in it like other 2k topcoats. IT IS TOXIC. It's a well documented process (dvd, online videos, websites printed manual). Their material estimation was at least 30% too low. The company is great to work with, very helpful and nice people.

Stewarts claim the isocyanates in their paint are safe because of it being water borne. Would be good to know what the truth actually is………..
 
QUOTE=MainlandCub;595636]Stewarts claim the isocyanates in their paint are safe because of it being water borne. Would be good to know what the truth actually is………..[/QUOTE]


Not completely safe, you will still need a good charcoal filter mask and should have some ventilation from wherever you are applying the top coat. I've been painting off and on this winter using some simple precautions and haven't encountered any problems, other than a hand growing out the back of my head.
 
I vote for stewarts. Here is my cover lasr winter. 1st time cover, 1st time painting. Had a little trouble on one wing, waited too long in between 2nd and 3rd coats, paint orange peeled. Sanded and repainted came out pretty good.

Posted Using the Free SuperCub.Org Android App!
 

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amen.....probably safe for the one project guy but repeatd use I would invesr in at least a cheap fresh air mask.I was told by ppg once charcoal didn't get out all of the isocyniates.one product I use to use warning on the hardener read...delayed organ failure....I don't even like typing that.
 
It's not that tough to figure out, if you understand how Isocyanides work. Isocyanides react to moisture. Any polyurethane will be catalyzed with an isocyanide, and the percentage will depend on the particular paint formula....some require a high percentage of isocyanides and some (especially waterbornes) require a low percentage in the catalyst, because of reasons I'll explain next. In a sense, the Isocyanides behave somewhat like electricity, in that they follow the path of least resistance. This means that in a non-waterborne paint, the isocyanides are seeking moisture, and our bodies are made up primarily of water, thus they are mostly attracted to us, and tend to enter through the soft tissue (eyes, nose, ears,etc.). If they are already happily reacting in a waterborne solution, they tend to stay there (remember, path of least resistance). Any catalyzed paint is most dangerous when the catalyst is being mixed in, as the catalyst is a "free radical" at that time, and is seeking moisture to react with. Thus, a waterborne is the safest of all catalyzed polyurethanes.
 
Thanks for that explanation, I've always tried to explain that and only came up with something dumb like 'it better'. I've been using Stewarts for some time and although the learning curve was steep, I find it a great product all the way around. Especially for homebuilders, many of whom are covering in the home environment, it's a much safer alternative to the harsh VOC's of the older systems. This point is not insignificant if you've ever looked into the long term effects of solvent based products.
 
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