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<DIV>Good info. </DIV>
<DIV>I think you are going too tick on the metal though. I'm talking about
thin and light.</DIV>
<DIV>Can you price the sheets of the stuff you are talking about and see if
larger sheets are available ? I'm guessing that have the right UV
inhibitor or gelcoat will cost more ??</DIV>
<DIV>You will have to spell out the UHMW. Again, those of us that do not
use the terms every day do not know what the hell you are talkin' 'bout.</DIV>
<DIV> </DIV>
<DIV>V NV</DIV>
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<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=sftester2@gmail.com href="mailto:sftester2@gmail.com">SF Tester</A>
</DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=byzytym@att.net
href="mailto:byzytym@att.net">byzytym</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Cc:</B> <A
title=ravensfort@lists.ansteorra.org
href="mailto:ravensfort@lists.ansteorra.org">A Kindness Of Ravens</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Sunday, October 12, 2008 10:01
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: [Ravensfort] showers / Re:
[rfofficers] Gundy's Find</DIV>
<DIV><BR></DIV>
<DIV dir=ltr>On Sun, Oct 12, 2008 at 6:34 PM, byzytym <SPAN dir=ltr><<A
href="mailto:byzytym@att.net">byzytym@att.net</A>></SPAN> wrote:<BR>
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<DIV>Would you spell out FRP please ? </DIV></DIV></BLOCKQUOTE>
<DIV><BR>Fiberglass reinforced plastic.<BR> </DIV>
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<DIV></DIV>
<DIV>Michelle suggested plastic sheets as well, but I didn't mention it
because of the drawbacks. </DIV>
<DIV>Both fiberglass and plastic breakdown and get brittle in the sun after
a few years. </DIV></DIV></BLOCKQUOTE>
<DIV><BR>Not entirely true for fiberglass. That all depends on exactly what
resin the panel is fabricated with. Polyester will break down, epoxy can if
it's a low grade and/or doesn't have a UV inhibitor, vinylester will last
virtually forever, as will urethane. Properly selected polyester or epoxy,
with the right UV inhibitor or gelcoat, will last longer than the steel it's
attached to.<BR> </DIV>
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<DIV></DIV>
<DIV>The stress of moving the showers could crack an old panel...
especially in cold weather.</DIV></DIV></BLOCKQUOTE>
<DIV><BR>ABS gets brittle at somewhere around 0 degrees. UHMW or nylon aren't
an issue. Delrin would last until the SCA is considering the 20th century
period ;)<BR> </DIV>
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<DIV></DIV>
<DIV>If it fades or scratches it could start looking pretty
bad. It is hard to get paint to sick to it in long range
terms. It peels after a few years and has to be
completely scraped off. That can be a nasty
job.</DIV></DIV></BLOCKQUOTE>
<DIV><BR>Latex paint will stick to fiberglass better than you can get anything
to stick to steel. Fiberglass, scuffed like I mentioned before, doesn't even
need primer. It's a perfect substrate for painting.<BR> </DIV>
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<DIV></DIV>
<DIV>Ten pounds a sheet is still heavy compared to thin sheet metal, but not
overly.</DIV></DIV></BLOCKQUOTE>
<DIV><BR>A 4x8 foot sheet of steel that weighs 10 pounds would be 35 gauge,
which is roughtly .008" thick. No chance that'll hold up. I'd guess that the
minimum we could get away with would be 24 gauge, which is .025" thick and
around 32 pounds/sheet. Steel on building walls and roofs is around 18 gauge,
.050" thick and 64 lb/sheet.<BR> </DIV>
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<DIV></DIV>
<DIV>How much is the cost of a 4x8 sheet. Can we get larger sheets
that cover an entire side ?</DIV>
<DIV></DIV></DIV></BLOCKQUOTE>
<DIV><BR> It's been a few years since I bought any, and I wasn't the one
paying the bill, so I don't really want to give my guess. Cheaper than steel,
though. Last time I bought steel was a very long time ago, and $80 for a sheet
of 16 ga. Steel has gone waaaaaaay up since then.<BR> <BR></DIV>
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<DIV>I'm not trying to be negative. I'm just trying to look at all
sides of suggested materials. </DIV>
<DIV>Wood is too heavy, expensive and rots after a few years</DIV>
<DIV>Fiberglass or Plastic becomes brittle in the sun and does not like
paint.</DIV>
<DIV>Metal rust.</DIV></DIV></BLOCKQUOTE>
<DIV><BR>Metal dents, too, and doesn't like paint any more than plastic. The
stuff that will stick is expensive and has to be put on with stuff we can't
handle at the site (air compressor, HVLP gun, lots of nasty chemistry, and so
on).<BR> </DIV>
<DIV> </DIV>
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<DIV>What ever we use should be light weight and be able to withstand being
loaded onto a trailer and moved to a different site if need be.
<BR></DIV></DIV></BLOCKQUOTE></DIV><BR>Most of that will be in the design, not
specifically the material. What we do at the shop is come up with what we want
it to do, figure out how to make it work, pick suitable materials, and use a
(not "the") correct fabrication process for the project. We know what we want
it to do, now we need to decide on a design, then pick the materials. We can
take the last step out of order and use that as a factor in deciding on
materials.<BR>--<BR>Gundy, who is good at this stuff
:)<BR></DIV></BLOCKQUOTE></BODY></HTML>