Lizard Skin - Fiberglass RV


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Old 07-18-2013, 02:56 PM   #1
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Lizard Skin

Lizard Skin Insulation.......

This is an "option" for aluminum stick build and mentioned
on another thread. Anyone know how practical this stuff
would or could be?

Home page: LizardSkin® Spray-On Insulation | LizardSkin

Spec. page:

http://www.lizardskin.com/assets/fil...ISpecSheet.pdf

Their comparison:

http://www.lizardskin.com/lizardskin...-products.html
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Old 07-19-2013, 02:49 AM   #2
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It might make sense as one layer of insulation, but not used alone--in particular for an outside layer.

Closed cell foam would work better, particularly if applied in a thin layer on the outside and also as a cavity filling layer on the inside.

Ceramic insulation is mostly over rated by the vendors.

Close cell foam is the best thing going, particularly if attention is given to maximizing the thermal break to reduce thermal conductivity and the dreaded condensation.

I wonder if ceramic insulation would bond well to closed cell foam and if so, which would it be better as the outer layer.

Is this product actually a form of closed cell foam? It might be.
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Old 07-22-2013, 10:12 PM   #3
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Oliver trailers have Lizardskin as insulation between the hulls... if that tells you anything. It's expensive and requires special spray equipment (from what I understand). My friend Sandy (the Bolerite) says someone on Bolerama sprayed a 13' Boler with Lizardskin and it cost him in the neighborhood of $1,000 for supplies. He did the job himself.
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Old 07-23-2013, 12:38 PM   #4
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Well, don't think it's cost effective for me then. thanks
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Old 07-23-2013, 02:43 PM   #5
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Carl, everything is worth looking into. Without research and testing we'd all be cooking over wood fires... oh wait, sometimes we do!

I think you need to continue on and see if what I reported is correct, as far as price. That info was about two years old. The price for products, etc. may have gone down... or up.
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Old 07-23-2013, 05:33 PM   #6
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This seems to be a new product on the market.
Can be applied by special sprayer, brush, or roller.
Goes on purple, cures black. Would be able to see
to cover multiple layers.

Heatshield Products 040101 Black db Skin Sound Dampener- 1 Gallon : Amazon.com : Automotive
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Old 07-23-2013, 08:01 PM   #7
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That maybe great (although heavy) if you need sound insulation, but neither the Amazon.com page or the manufacturer's product page claim any thermal insulation ability at all. Yes, it can withstand moderately high temperatures, but any sheet of metal can stand much higher, and you wouldn't use that for insulation.
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Old 07-23-2013, 08:13 PM   #8
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Quote:
Originally Posted by Brian B-P View Post
That maybe great (although heavy) if you need sound insulation, but neither the Amazon.com page or the manufacturer's product page claim any thermal insulation ability at all. Yes, it can withstand moderately high temperatures, but any sheet of metal can stand much higher, and you wouldn't use that for insulation.
Thanks Brian..........I was wondering that since the descriptions
said nothing about insulating.

I just thought if there was a decent spray insulation, then those
hard crevices (but important) could more easily be done.
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Old 07-23-2013, 10:55 PM   #9
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Quote:
Originally Posted by carlkeigley View Post
I just thought if there was a decent spray insulation, then those
hard crevices (but important) could more easily be done.
Getting insulation in is certainly a challenge. The places (not in our Boler) where I've tried foam-in-a-can in crevices have not been very satisfactory, and it isn't for surfaces at all. The sound-deadening stuff would spray on a surface, but not insulate much (especially for the weight). Spray foam which is for insulation and does work on surfaces seems to be a professionally applied product, not practical in small areas, and potentially messy.

Keep looking! I'm interested in whatever potential material turns up, in my case for under the floor.
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Old 07-23-2013, 11:01 PM   #10
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Will do Brian.
I'll be on the look out until I find something I can use that is simple,
economical, and most of all --------WORK! .........lol.
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Old 07-23-2013, 11:30 PM   #11
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Here's an item that MAY be of interest.......R16 factor

PRODEX

https://www.insulation4less.com/
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Old 07-24-2013, 07:17 PM   #12
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As a hotrodder when I read something about "heatshield" I think of a firewall on a vehicle, or floor pan. AND, shield vs insulation...
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Old 07-24-2013, 07:30 PM   #13
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Quote:
Originally Posted by Donna D. View Post
As a hotrodder when I read something about "heatshield" I think of a firewall on a vehicle, or floor pan. AND, shield vs insulation...
So far, as I've been reading up on these things, seems like they
have insulation in the name or text but it's really only a shield. hmmm.

And the spray foam I've seen is a called a sealant.......another hmmmm.
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Old 07-24-2013, 08:25 PM   #14
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Quote:
Originally Posted by carlkeigley View Post
Here's an item that MAY be of interest.......R16 factor

PRODEX

https://www.insulation4less.com/
That's more like real insulation... but it's a sheet which won't stretch so installation on curved ares will be the usual egg challenge.

The R-value claim of 16 is bogus. I see this in their specs:
Quote:
Prodex Total Insulation
*R-value 16 (one layer)
*R-value 21.10 (two layers)
I think that means essentially that the resistance to heat flow is R-5.1 per layer (still very optimistic for 5 mm or 13/64" of foam), with the rest of the benefit from the reflective surface. Reflective heat barriers don't work in contact with another material, so the insulation's foil face would need to be the exposed interior surface of the trailer. Yuck.
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