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Old 04-22-2022, 03:45 PM   #8 (permalink)
redpoint5
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LOL, might want to include a smiley to make it unambiguous the comment was made in jest.

I wonder what "CO2" equivalent there is installing white asphalt shingles instead of black? Seems like low hanging fruit considering there is no extra cost for white. White actually costs less when you consider it lasts longer.

I had considered this when putting a new roof on the house several years ago, but black simply looks better and goes with more color schemes. Had to give more weight to resale value than to longevity or reflectivity.

Still, reflecting 4x more energy with white asphalt shingles vs black is no small thing. Very valuable in hot and sunny regions and pays dividends in reduced cooling load.



I expect the greening of the earth to continue as it has been, especially as poorer countries become educated and rise from poverty. Their cities will grow and green spaces can be reclaimed.
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