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What is porous asphalt and how does it work?

submitted by Mordhaus

6 years 9 months 2 weeks ago

2 Comments

Stormsinger

says...

A minor point...porous asphalt is only briefly mentioned. The video spends some 90%+ of its time explaining porous concrete, which except for the embedded plastic is a fairly obvious concept. I still have no idea how porous asphalt could work...I'd think the tar would make it pretty watertight.