Roofing Materials

Green purchasing guidance for roofing materials, including: roof shingles, elastomeric coatings, and patching materials.

Required specifications

The following have been identified as green specifications relevant to the good/services as minimum mandatory requirements. These would not be part of a scored exhibit. If you are using the Washington state procurement manual templates, the following should be inserted in the relevant document that describes the product or performance requirements.

Preferred specifications

The following have been identified as green specifications relevant to the goods/services as preferred specifications to be scored. These would be part of your evaluation. If you are using the Washington state procurement manual templates, the following should be inserted in the relevant document that is used for evaluation.

  • Recycled Content Purchasing Preference Policy (POL-DES-255-00) states, "In establishing environmental requirements and preferences for products that contain recycled materials, agencies shall reference the current U.S. Environmental Protection Agency's Comprehensive Procurement Guidelines (EPA CPGs) as the minimum standards for the state of Washington."
    Statutory Preference for Recycled Content Purchasing. Pursuant to RCW 39.26.255, Enterprise Services is providing a bid preference in the amount of ten percent (10%) per product line item tested to any bidder that provides products that have exceeded one of the recommended content level percentages or the minimum product specification, as designated by the current EPA's CPG standard. Bidders who seek to obtain the 10 percent (10%) bid preference in Exhibit C-Bid Price must identify the recycled content level of the product or indicate the product meets product specifications in Exhibit C – Bid Price.
  • 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 are the basis for these specifications: