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Old 12-05-2016, 05:04 PM   #1
Mini-Skoolie
 
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Roof Coating?

I'm wanting to put reflective roof coating on the outside roof with a roller to help cool my bus. I got some Henrys 287 elastomeric paint but the small area I tried on the roof came out rough and textured like alligator skin. This 'textured skin' wasn't the look I was going for and seems a great place for dirt and debris to accumulate. It says on the label not to thin it. Any suggestions of reflective roof paint that helps reduce the heat coming thru the roof but also looks smooth and doesn't look like an english muffin finish? Has anyone tried spraying the Henry's with a different result? I may pull the inside ceiling and re-insulate at a later date but don't have time to do it right now.

Thanks.
Jen
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Old 12-05-2016, 05:41 PM   #2
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You can apply it wish a brush. That'll change the texture. Also play with different nap (fiber length) rollers. I don't remember what length I settled on, but my first attempt resulted in a finish that was too uneven for my liking. I think you'll always have some texture with a roller.
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Old 12-08-2016, 10:57 PM   #3
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I used Insuladd. The roof isn't as smooth as I would like but it's also not noticeable from the ground.
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Old 12-09-2016, 09:54 AM   #4
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I added the ceramic micro-sphere insulation powder to Rustoleum gloss white oil-based paint for my roof, and rolled it on with a 4" short-nap roller. Two coats of it made a slightly rough suede-like finish, so I then painted two further coats of plain Rustoleum without the pixie dust - this smoothed the surface somewhat, but it's still not a perfectly smooth glossy finish. My roof gets very dirty just from al the airborne dust and grime that's unavoidable here, but I don't think it gets any dirtier by having a slightly rough finish than if it were completely smooth.

Where are you in CA?

John
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Old 12-09-2016, 10:37 AM   #5
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Worth noting is that there is an elastomeric clear coat made specifically for smoothing out finishes with the ceramic beads. Makes cleaning much easier from what I understand.

Clear water proofing sealer Elastomeric
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Old 12-09-2016, 12:21 PM   #6
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Yes, Im in the bay area.
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Old 12-09-2016, 01:24 PM   #7
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Elastomeric can be sprayed, but requires a high end sprayer with a large nozzle size.
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Old 12-10-2016, 06:00 PM   #8
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Quote:
Originally Posted by jennynic View Post
Yes, Im in the bay area.
Where abouts ?
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Old 01-10-2017, 02:18 PM   #9
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roof coat

When I bought my bus it had gray paint on the roof, when it was 80deg. and sunny the inside ceiling would get as hot as 100deg. +. I painted the roof with industrial paint (base white) and now the ceiling does'nt get any hotter than ambiant temperature. I have no insulation in my ceiling. steel roof and steel ceiling with 2" air gap between. gets real cold real fast in freezing temps when heat is turned off.
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Old 02-11-2017, 04:33 PM   #10
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Quote:
Originally Posted by Justin McCormick View Post
Elastomeric can be sprayed, but requires a high end sprayer with a large nozzle size.
A lot of paint stores rent these machines. Tell them what you are painting and they should be able to set you up with the proper machine and tip combination also ask about a four foot extension so you don't have to bend over while spraying
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