Pmullen503 wrote:Sounds like an interesting material. Is there a retail source.
Philip wrote:Are the panels polyester based?
If they are you could use polyester structure repair putty to fill any gaps. It is a poly-based resin with fiberglass strands in it. You wouldn't need to use glass tape.
In the boating crowd its used to repair cracks in jell coats or fiberglass.
Pmullen503 wrote:Sounds like an interesting material. Is there a retail source?
If you are applying this over foam with epoxy you really don't have to fill the joints. But mixing epoxy with microballoons to make a filler would work. You could also cut a strip of the material and epoxy that over the joint. You might be able to incorporate the strip(s) into the design.
Polyester might dissolve the foam underneath so I would avoid that.
Philip wrote:Pmullen503 wrote:Sounds like an interesting material. Is there a retail source.
https://www.jamestowndistributors.com/p ... ail/336293
Thats what I have used. I am sure the different MFG's of boating supplies has the same thing.
For doing outside corners there will be a structure on corners. So it shouldn't come into contact with foam. That stuff stays where you put it. It doesn't run or drip.
RJ Howell wrote:
https://www.kalwall.com/
My source is from Facebook Marketplace. The dude has an agreement with the company for the end cuts and seconds. He has trailers of product. Let me get through some testing and if it shows real promise, we'll figure out how to get you some!
Ya, Polyester won't work with XPS..
RJ Howell wrote:
Thank you for the info and the source! The site has many folks to reach out to! I saw MEK and immediately went to Red Flag.. I believe that will melt the XPS I hope to bond to.. Over plywood, awesome!
Philip wrote:RJ Howell wrote:
Thank you for the info and the source! The site has many folks to reach out to! I saw MEK and immediately went to Red Flag.. I believe that will melt the XPS I hope to bond to.. Over plywood, awesome!
Yes anything poly will melt XPS foam if it comes into contact. Are you planing to build with no wooden structure in this build?
you could also use epoxy boat fairing compound on the corners. Its two parts. Mix one to one. This stuff sounds hard. You need smaller grit paper to remove it.
https://www.jamestowndistributors.com/p ... tail/97775
I used that on my first camper build.
Pmullen503 wrote:OK, steel frame covered with fiberglass panels.
You plan to insulate later, right? So you could use polyester filler because there is not foam near it while it curing. I'd still use resin + glass cloth on all the corners to make sure it never leaks.
What were you thinking for the interior surfaces?
For people without the metal working tools and skills SIPs might be easier. I was thinking more along the lines of SIPS.
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