What is the installed cost for Gravelpave2 vs. Asphalt/Concrete?

Gravelpave2 is generally 10-15% higher than hard paving surfaces. However, using Gravelpave2 can eliminate the need for stormwater drainage and collection systems which could provide a significant savings over asphalt or concrete. The maintenance of Gravelpave2 over a 15-20 year life span is so minimal that it can produce an additional savings of 40% over traditional hard surface paving materials that require constant resurfacing. ... more