Wednesday, December 12, 2007

Park on the Grass

Hailed as the solution to erosion and urban runoff, which poisons our lakes and rivers, grasscrete consists of 47% concrete and 53% holes.The idea is to let grass grow between the surfaces of the concrete allowing for the same kind of rain and flood water absorption that occurs over natural a parking lot.

Developers pour concrete over 2' by 4' blocks called "formers" that biodegrade. As they degrade grass grows into the holes. Cool, huh? It can even be used in reservoirs and Drainage channels. Unfortunately, grasscrete is currently 30% more expensive than concrete. But as the price comes down, I think it is more exciting and innovative than plastic.

Take a look at the website for more pictures and case studies, one of which shows an English Manor house that had had its grass verges destroyed by overflow parking and country fairs, but has now been laying grasscrete for the past 15 years, providing hard parking for cars and natural graze land for the estate farm's sheep when not in use.

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