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Old 03-27-2019, 07:55 PM   #11
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I'm having serious second thoughts about the Henry's elastomeric roof coating. I did a section around the skylights and am not satisfied with how well it laid smooth. It also seems to collect dirt easier than a smooth paint would. Once it's down you're pretty much done, can it be painted over with regular paint? Experiences from those who have used it?
First of all anything you put on the roof that is water based, it's doomed to fail. Elastomeric says in reality water based. It will not small well and after a year you'll have white streaks after it rains which is the'paint' chalking. If your looking to seal vents and such use dicor self-leveling caulk. It has at minimum a 10 year life. If your looking to color the roof unless you can get oil base, it will take first putting primer on like kilz, and then a high quality paint for a house. But realize they will chalk as they age. Oil base gives you a longer time between painting versus a elastomeric paint.
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Old 03-27-2019, 08:39 PM   #12
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First of all anything you put on the roof that is water based, it's doomed to fail. Elastomeric says in reality water based. It will not small well and after a year you'll have white streaks after it rains which is the'paint' chalking. If your looking to seal vents and such use dicor self-leveling caulk. It has at minimum a 10 year life. If your looking to color the roof unless you can get oil base, it will take first putting primer on like kilz, and then a high quality paint for a house. But realize they will chalk as they age. Oil base gives you a longer time between painting versus a elastomeric paint.
So the manufacturers claims are all lies?

"Henry® 287 Solar-Flex® White Elastomeric Roof Coating is a premium, elastomeric, water-based acrylic latex coating. When properly applied, it is highly resistant to disbonding, chalking, mildew and discoloration."

The oil base paint won't have near the insulation properties the elastomeric will. Typically paint is good for 10 years, elastomeric they claim is good for up to 17 years.
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Old 03-27-2019, 09:42 PM   #13
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So the manufacturers claims are all lies?

"Henry® 287 Solar-Flex® White Elastomeric Roof Coating is a premium, elastomeric, water-based acrylic latex coating. When properly applied, it is highly resistant to disbonding, chalking, mildew and discoloration."

The oil base paint won't have near the insulation properties the elastomeric will. Typically paint is good for 10 years, elastomeric they claim is good for up to 17 years.
They're exaggerations and opinion presented as fact.
"highly resistant" is pretty subjective in marketing. And plus all those claims are for a stationary roof on a permanent structure.

Paint is really poor way to try to seal or insulate a bus, but to each their own.
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Old 03-27-2019, 10:57 PM   #14
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Rubberized paint only holds up so long on a vehicle... I like regular paint.
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They're exaggerations and opinion presented as fact.
"highly resistant" is pretty subjective in marketing. And plus all those claims are for a stationary roof on a permanent structure.

Paint is really poor way to try to seal or insulate a bus, but to each their own.
I had a franchise for elastomeric paint ( Vinyl ) - painted an old Victorian style house with it - the next summer I received a letter from that customer praising the paint, saying it had cut his heat bill in half - I thanked him for the note and that I was glad he was pleased with the paint and the job, but left out the part that the decreased heat bill was likely due to the several cases of caulking we used to seal up all the cracks around the window and door frames than it was the 8 mils of paint we lathered on his house - lol
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Old 03-27-2019, 11:25 PM   #15
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I have noticed also (in my extensive youtube/internet research) that the elastomeric products end up looking bad in not too much time.

I'm kinda leaning toward sealing the seams and then an automotive single stage poly. I think the smooth surface will lend itself to staying clean and obviously be resistant to the elements. Just my reasoning based on personal experience. ymmv
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Old 03-27-2019, 11:53 PM   #16
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I dont know anything about a bus, but i have used Ames roof coatings on my house.
Expensive and a PITA to work with, at least in my area due to the weather needing to be just right to apply it, but i had two roofs on additions that were built by drunken farmers and there was no way to keep them from leaking with convetinal roofing products.
This stuff is great because it goes up and over bumps and around corners. It is like using tar.
It does chalk, but i don't care. I could wash it if i cared.
Dries to a bright white so you can blind the google map satellites.
That being said, i cant see a benefit to using it on a bus.
If i were going to use it, i would use the cheesecloth like product Ames makes. It goes on top of one coat then you paint on top of it.
Causes the whole roof to flex as one piece, so you don't get cracks where two opposing sections meet.
When i get a bus i assume i will be happy with Rust-Oleum.
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Old 03-28-2019, 07:54 AM   #17
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First of all anything you put on the roof that is water based, it's doomed to fail. Elastomeric says in reality water based. It will not small well and after a year you'll have white streaks after it rains which is the'paint' chalking. If your looking to seal vents and such use dicor self-leveling caulk. It has at minimum a 10 year life. If your looking to color the roof unless you can get oil base, it will take first putting primer on like kilz, and then a high quality paint for a house. But realize they will chalk as they age. Oil base gives you a longer time between painting versus a elastomeric paint.
5-years with Henry's Solar-flex paint on my bus roof. No chalking. No running. No peeling. No yellowing.

I'd stay far away from exterior house paint on a bus. All of the buses I've seen that were painted with exterior house paint are chipping badly. For quick and easy stick with Rustoleum (with added hardener).

All that aside, don't rely on paint to seal a roof. It won't last for long.
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Old 03-28-2019, 09:51 AM   #18
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I'm still leaning towards an elastomeric paint for the roof (my local hardware store has Black Jack for under $70 for 5 gallons - good for at least 3 coats on my shortie, I suspect), but I've hear BusKote is supposedly pretty good too, but far more pricey. Is it worth it to consider? What benefits does this bring over basic Rustoleum or an elastomeric paint? If some folks are recommending basic Rustoleum instead of elastomeric, I would assume this would also be worth considering.

Thanks as always,
Chris
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Old 03-28-2019, 09:54 AM   #19
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I'm still leaning towards an elastomeric paint for the roof (my local hardware store has Black Jack for under $70 for 5 gallons - good for at least 3 coats on my shortie, I suspect), but I've hear BusKote is supposedly pretty good too, but far more pricey. Is it worth it to consider? What benefits does this bring over basic Rustoleum or an elastomeric paint? If some folks are recommending basic Rustoleum instead of elastomeric, I would assume this would also be worth considering.

Thanks as always,
Chris

Take a look at this thread for some answers to your questions:
http://www.skoolie.net/forums/f13/in...ease-9291.html


Things get interesting around page 4.
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Old 03-28-2019, 09:57 AM   #20
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Originally Posted by farok View Post
I'm still leaning towards an elastomeric paint for the roof (my local hardware store has Black Jack for under $70 for 5 gallons - good for at least 3 coats on my shortie, I suspect), but I've hear BusKote is supposedly pretty good too, but far more pricey. Is it worth it to consider? What benefits does this bring over basic Rustoleum or an elastomeric paint? If some folks are recommending basic Rustoleum instead of elastomeric, I would assume this would also be worth considering.

Thanks as always,
Chris
Buskote is just elastomeric paint.
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