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If you’ve got a dark roof, you’re spending almost $700 extra a year to keep your house cool - One Step Off The Grid (onestepoffthegrid.com.au)
submitted 2 years ago by to c/environment@aussie.zone
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[–] 1 point 2 years ago

You can make black with just charcoal, but white is usually made with more expensive chemicals like Aluminum and Titanium.

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