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Old 01-26-2017, 06:10 PM   #11
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Originally Posted by Iceni John View Post
I used Rustoleum Professional 242256 gloss white oil-based enamel with Hy-Tech Thermacels ceramic insulation powder mixed into it, rolled on with a 4" short-nap roller. So far, so good. I don't know how much difference the pixie dust makes, but it can't hurt it, and any slight benefit is worthwhile.

John
Interesting. fillite?

It's be east to do a study on a couple small identical metal boxes and a pair of thermometers.

FILLITE Hollow Ceramic Microspheres - The Cary Company

Microspheres, ceramic, fillite | eBay
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Old 01-26-2017, 09:17 PM   #12
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only thing I don't like about the cool seal is it collects dirt. im going with the gloss oil base white.
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Old 01-26-2017, 09:25 PM   #13
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I'll be using satin white rustoleum on the roof.
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Old 01-26-2017, 10:19 PM   #14
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Not to start another fire storm of controversy, but...my personal experience with the HyTech beads left me quite impressed. Applied to the inside of a rusty 1920's, industrial corrugated tin roof it felt almost cool on a 100+ degree Houston day in August. Nothing but two coats of the "pixie dust" mixed with Home Depot latex "mistakes". Also..they make a clear finish coating that purportedly makes it much easier to keep clean out in this dirty world, but that I cannot comment on.

I'm using it all over my shorty.
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Old 01-26-2017, 11:42 PM   #15
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Check the links in this one. The experiment rocks.

http://www.skoolie.net/forums/f13/paint-product-opinion-keep-heat-out-15029.html


Sent from my BLU LIFE ONE X using Tapatalk
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Old 01-27-2017, 12:07 AM   #16
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Thanks guys. You gave me plenty of info to look at and decide.Mango is across town from me, so I totally understand the hot August days in Houston.
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Old 01-27-2017, 01:11 AM   #17
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Quote:
Originally Posted by EastCoastCB View Post
There's a reason that southern regions have buses with white roofs and most of the ones from cold areas don't.

This is a pretty basic question/subject. It isn't rocket science.

https://www.scientificamerican.com/a...se-color-heat/
I know it's not. But it still more complex than a simple reflective value given by the manufacturer. Yes southern region use white paint, but that doesn't tell us anything about the component in the paint.

All I'm saying is that the material of the dry paint (chemical composition) is as important as the color (which obviously should be white...).

Taking the value of the LRV at face value can be misleading since it doesn't measure heat, but luminance. Roofing compounds that offer up a r-value is more interesting since this means they tested the heat tranfert of the entire medium.
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Old 01-27-2017, 06:57 AM   #18
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Old 01-27-2017, 07:22 AM   #19
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Quote:
Originally Posted by Tango View Post
Not to start another fire storm of controversy, but...my personal experience with the HyTech beads left me quite impressed. Applied to the inside of a rusty 1920's, industrial corrugated tin roof it felt almost cool on a 100+ degree Houston day in August. Nothing but two coats of the "pixie dust" mixed with Home Depot latex "mistakes". Also..they make a clear finish coating that purportedly makes it much easier to keep clean out in this dirty world, but that I cannot comment on.

I'm using it all over my shorty.
on the underside of the roof? not on the outside?
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Old 01-27-2017, 08:11 AM   #20
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Nice!

Quote:
Originally Posted by Tango View Post
Not to start another fire storm of controversy, but...my personal experience with the HyTech beads left me quite impressed. Applied to the inside of a rusty 1920's, industrial corrugated tin roof it felt almost cool on a 100+ degree Houston day in August. Nothing but two coats of the "pixie dust" mixed with Home Depot latex "mistakes". Also..they make a clear finish coating that purportedly makes it much easier to keep clean out in this dirty world, but that I cannot comment on.

I'm using it all over my shorty.
Thanks
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