Recycling
the roofing material will not only keep mountains of waste out of the state's landfills, it also helps make asphalt pavements
better and more economical.
In addition, it reduces the amount of new asphalt and aggregate that needs to be processed from the earth.Numerous studies have documented the strong market potential for asphalt
shingles in HMA.
Visit www.ShingleRecycling.org for more
details. The practice
of using recycled asphalt shingles (RAS) is now accepted in 15 states that are known to have either DOT materials specifications
or beneficial use determinations (BUDs) issued by the environmental agencies. Eleven states’ departments
of transportation are known have adopted specifications allowing RAS in HMA. Manufacturers’ RAS is allowed in 10 of
these states. Tear-off shingles are allowed in four of these states. Six states are known to have BUDs that allow tear-off shingles in HMA or other specified construction
applications. BUDs are a regulatory tool used by state environmental agencies to help guide the approval process for proposed
reuse, recycling and recovery projects. Several other states are in the process of developing a tear-off specification and/or
are currently conducting pilot field studies. Many of these are available on line and can be found via the http://www.shinglerecycling.org/ web site.
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