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And when the UV deteriorates the plastic you will have a wet mess and a hole in your roof
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Most of these would be in your attic. What would happen when the bottle breaks and not only makes a mess in your attic but a hole in your roof?
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only for warm countries… In others the heating energy losses are way too much via the bottle!
And you never get your flatroof rain proof in those chilly rainy countries… not with silicone anyhow!
Think on Northern half of USA/Europe/China/Japan, whole Russia
Spend the money and get a light tube installed. Better than a freaking pop bottle sticking out of your roof.
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This is a great idea especially in impoverished countries who have no means or little means of electrical power.
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At least good for the daytime. I’ve seen it for the Philippines and other areas where they have really dangerous electrical wires because they are living in Shacks illegally
Reply And it would certainly freeze where I live but there are many places that benefit I’ve seen movies of it
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I put a couple of these in a patio roof in Australia about 5 years ago, they haven’t leaked but are really for an enclosed space like a garage with no windows. I had an electrician there working with the power all off and the bottles made him nervous! They are surprisingly bright.
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