Looking for ways to reduce the Cooling Load of a black shingled roof in Florida

Im moving to Florida, and, bought a Mobile Home which of course has no attic. It has a southern exposure with no shade and im wondering what options are available to reduce the Cooling Load on the roof. Ive wondered if a metal pan roof can be put over an existing shingle roof (or just adding large sections of sheetmetal on the roof) , thought of collecting rain water in a 55 gallon drum and pump it up to the top of the roof and let it run down thru a PVC pipe with holes drilled into each side , and have even considered putting in an additional ceiling inside and insulating that cavity . Has anyone had success with this issue or can tell me whats an effective solution ? Thanks much.
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A good many folks here build a carport looking roof over the mobile home. That puts the entire roof in the shade.
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That would be a VERY tall carport !
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I was just speaking to a materials engineer friend the other night and he was telling me that he's somehow involved in new coatings for metal roofs which drastically reduce heat absorption - and that they do show dramatic improvements. I suspect that a metal roof laid over your existing shingle roof is probably your best bet. If you have the time/ energy stripping off the shingles before having the metal installed would be preferable, but as long as there is only one layer of shingle you should be OK. I really don't like asphalt shingle roofs; their only real advantage is price. they're not durable and they just soak up the heat.
nate
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recoat with white roof coating?
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wrote:

Total amateur who lives in So. Calif. ventures an unqualified opinion <g>
I'd agree w/ abover poster to cover or replace the asphalt shingle, esp. if there is any fire danger in your area.
Plant the fastest-growing shade trees you can find, for the long run.
For the short run, make sure the final coat, whatever it may be, is WHITE, WHITE WHITE!
Last time I had a roof put on, I had them put on a silvery reflective coat rather than leave the black tar exposed.
Good luck,
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snipped-for-privacy@gmail.com wrote:

Hi, Increase the attic vent.
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Yep!
One of those "sysems" that channels air from the eves to the ridge vent and at the same time provides some "radiation shielding." might be effective to the point where it almost doesn't matter what color the room is.
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On Mon, 3 Nov 2008 19:00:30 -0500, "John Gilmer"

He said this was a mobile home without an attic. The car port deal, called a "roof over" is the way to go, That creates an attic to ventilate. Call any aluminum contractor in a sunny state. They will fix you up.
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