How roof waste became a massive issue, and how we can solve it

Asphalt shingles can be recycled by mixing ground shingles into pavement for roads.
But there isn’t enough demand to keep up with all the waste, so the vast majority still go to landfills.
A roofing company has found a way to turn old shingles into new ones, but it will take time to scale up.

Millions of tons of shingles come off roofs and go to landfills each year. One company says it’s figured out how to turn used shingles back into new ones.

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