Roofing Materials

Green purchasing guidance for roofing materials, including:
  • Roof shingles
  • Elastomeric coatings
  • Patching materials

Required specifications

Purchasers must include these specifications, unless not possible:

Preferred specifications

Purchasers should include these specifications, unless not possible:

  • RCW 43.19A: Recycled Product Procurement set a goal of substantially increasing the state’s purchases of recycled-content products, directs the state to set recycled-content standards, and authorizes state agencies to specify, give priority to and/or offer price preferences for products that contain recycled materials.
    This policy also directs state agencies to offer a purchasing preference of at least 10% to bidders whose products have a recycled-content percentage that exceeds the EPA CPG minimum.

Additional desirable environmental and health attributes of roofing products include:

  • Solar-ready, green roof or cool roof. The U.S. Department of Energy has information about cool roofs.
  • Complies with state of California’s Title 24 Building Energy Efficiency Standards.
  • Earned one or more of the following certifications:
    • Certified Red List Free with an International Living Future Institute (ILFI) Declare Label or a Health Product Declaration (HPD)
    • Cradle to Cradle Product Certificate or Material Health Certificate: v3.1 at the Silver level or higher OR v4.0 at the Silver level or higher
    • ENERGY STAR (reflective coatings)
    • Master Painters Institute (MPI) Green Performance Standard (Extreme Green, GPS-2 or GPS-1)
    • SCS Indoor Advantage Gold (certified low emitting)
    • UL GREENGUARD Gold (certified low emitting)
    • Certified Biobased products by the USDA's BioPreferred Program

Laws, rules, and executive orders

These laws, rules, and executive orders must be included in the contract language:

End of life

Surplus goods that still can be used

  • Use surplus disposal to get rid of items you no longer need. Keep materials out of landfills and make funds for your agency.

Recycling and disposal

Hazardous waste disposal guidelines and options:

Contact us

Leatta Dahlhoff

Environmental Technical Analyst