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Asphalt Shingle Resources

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Asphalt Shingles Woodworth & Company recycles tear-off shingles for use in a King County road.

The following is a list of resources intended to give more information about asphalt shingle recycling. Also visit In the News for articles about asphalt shingle recycling. Organizations listed are not necessarily affiliated with or endorsed by King County.

• King County Shingles in Paving Project
• Washington State and Regional resources
• National resources

King County Shingles in Paving Project

Toolkit: Using HMA with RAS in Pavements

The following resources are provided for agencies that want to use recycled asphalt shingles (RAS) in hot mix asphalt (HMA) paving projects.

• RAS business case (PDF, 1 MB) – describes how using recycled asphalt shingles in paving can reduce waste, save money, and green road paving projects; and lists available technical assistance and resources
• 2012 RAS Specification Guidelines (PDF, 1.2 MB) – provides the latest iteration of procedures and standards for producing RAS for HMA paving applications, and is the third revision to the RAS Specification used in King County’s 2009 Paving Demonstration
• 2009 Paving Demonstration Special Provisions (PDF, 2.4 MB) – used by King County for its 2009 Paving Demonstration contract, and includes HMA specifications (Sections 5-04, 5-06) as well as RAS Specifications (Section 9-24)
• 2009 Paving Demonstration post-construction pavement conditions report (PDF, 540 K) and test section layout (PDF, 200 K) – second year pavement performance report for King County’s 2009 Paving Demonstration (2011), indicating that the use of RAS had no impact on pavement performance.
• List of shingles recyclers and HMA producers (PDF, 325 K) – contacts for shingles recyclers and HMA producers with experience using RAS in the Puget Sound area
• List of engineering contacts (PDF, 262 K) – contact information for technical experts who have been involved in specification development and research related to the use of RAS in HMA
• Alternative bid example (PDF, 232 K) – template for an alternative bid request used in Dakota County, MN
• Industry publications – King County’s Paving Demonstration and market development efforts have been featured in a several industry publications in 2010 and 2011. See “Articles” below

Articles

• Promising results seen in King County paving project using recycled shingles – APWA Reporter, July 2011
• The King’s Gesture: Washington pilot project signals the go-ahead to experiment more with recycled shingles (PDF, 1.2 MB) – Roads & Bridges, April 2011
• Tear-off Shingles: A Washington county provides the results of a paving demonstration project that used shingles (PDF, 1.3 MB) – C&D World, Nov/Dec 2010

Reports

• Shingles in Paving Demonstration Post-Construction Pavement Conditions Interim Report (PDF, 540 K) – 2011 and test section layout (PDF, 200 K), King County – January 2012
• Shingles in Paving Demonstration Post-Construction Pavement Condition (PDF, 950 K) and Test Section Layout (PDF, 240 K), King County – September 2010
• Shingles in Paving Project: Paving Demonstration (PDF, 1.4 MB) and appendices (PDF, 2.2 MBK), King County – January 2009

Presentations

• Shingles in Paving Demonstration presentation (PDF, 2.4 MB), Kris Beatty – King County Solid Waste Division – October 2010
• Shingles in Paving Demonstration presentation (PDF, 2.9 MB), Michelle Caulfield – Cascadia Consulting, Joe DeVol – WSDOT, John Grisham – Woodworth & Company, Washington Asphalt Pavement Association – June 2010
• Shingles in Paving Demonstration presentation (PDF, 2.5 MB) and meeting summary (PDF, 197 K), Project Team Panel, Stakeholder Meeting – February 2010
• Asphalt Shingles in Paving (PDF, 3.8 MB), Michelle Caulfield-Cascadia Consulting, SWANA – February 2010
• Shingles in Paving Specifications and Ongoing Research (PDF, 888 K), Joe DeVol-WSDOT, 4th Asphalt Shingle Recycling Forum – November 2009
• Shingles in Paving Demonstration Project King County, Washington (PDF, 2.2 Mb), Michelle Caulfield-Cascadia Consulting, 4th Asphalt Shingle Recycling Forum – November 2009

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Washington State and Regional resources

Reports

• Preliminary Investigation of RAP and RAS in HMAC (PDF, external), Oregon Department of Transportation – February 2010
• Acceptable Uses for Recycled Asphalt Roofing in Washington State (external), Washington State Department of Ecology – January 2010

Presentations

• Green & Sustainable Construction Operations (PDF, external), Chris Robinette-Granite Construction, Northwest Pavement Management Association Conference Presentation – fall 2009
• Sustainable Pavement Management Practices (PDF, external), Jim Huddleston-Asphalt Pavement Association of Oregon, Northwest Pavement Management Association Conference Presentation – fall 2008

Websites

• Construction Materials Recycling Association – Great Northwest Chapter (external)
• University of Washington: Green Roads (external)
• Metro Vancouver From Roof to Road (external)
• Washington Asphalt and Pavement Association (external)
• Northwest Pavement Management Association (external)

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National resources

Standards and Guidelines

• State specifications for using tear-off RAS in HMA include Alabama (section 410), Georgia (section 402), Indiana (400-R-553, section 401.06), Iowa, Minnesota, Missouri (section 403), New Hampshire, South Carolina (section SC-M-407), Texas, Virginia and Wisconsin (PDFs, external). For additional state specifications and provisions for using RAS in HMA, visit the State Experience and Contacts page of ShingleRecycling.org (external).
• ASHTO Standards
  Visit the AASHTO website (external) to order these publications:
  • MP015-09-UL Standard Specification for the Use of Recycled Asphalt Shingle as an Additive in Hot Mix Asphalt
  • PP053-09-UL Standard Practice for Design Considerations when Using Reclaimed Asphalt Shingles in New Hot Mix Asphalt
• Guidelines for the Use of Reclaimed Asphalt Shingles in Asphalt Pavements (external), NAPA – October 2009

Reports

• Investigation of the Use of Tear-Off Shingles in Asphalt Concrete (PDF, 214 K), Virginia Transportation Research Council – May 2010
• Incorporation of Recycled Asphalt Shingles in Hot Mix Asphalt Pavement Mixtures (PDF, 3.2 MB), Minnesota Department of Transportation – February 2010
• 2008 CD&I Recycling Project: Shingles Recycling White Paper (PDF, 1.2 MB), Twin City metropolitan region’s Solid Waste Management Coordinating Board and Minnesota Pollution Control Agency – May 2008
• Recycling Tear-Off Shingles: Best Practices Guide (PDF, 1 MB), Construction Materials Recycling Association – October 2007
• Environmental Issues Associated with Asphalt Shingle Recycling (PDF, 675 K), Construction Materials Recycling Association – October 2007

Websites

• ShingleRecycling.org (external). This site provides information on asphalt shingle recycling activities across the U.S.
• National Asphalt Pavement Association (external)
• Transportation Pooled Fund Program: Performance of Recycled Asphalt Shingles in Hot Mix Asphalt (external)

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