The oil in tear-off shingles is harder than the oils normally found in roadbeds. Can we grind asphalt shingle, Class B tear-off material to use as a road base?
There is a brochure that was created for theEPA in 1999, “From Roofs to Roads: Recycling Asphalt Roofing Shingles into Paving Materials,” which does not mention “Class B,” but says, “State-funded paving must meet state specs which are based on federal pavement performance standards and local climatic conditions and reflect engineering intended to maximize pavement durability.
