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Development of a Product Category Rule for Roof CoatingsJessica SlomkaPCR Program Operator, NSF International
Benjamin Borns RCMA Sustainability Taskforce Co-Chair, The Sherwin-Williams Company
Doug MazeffaPCR Chairperson, The Sherwin-Williams Company
Agenda
Learning Objective: How and why is RCMA and the Roof Coatings Industry developing a Product Category Rule (PCR) for Roof Coatings?
1. Introduction – decoding the alphabet soup
2. The value of developing a Product Category Rule
3. The PCR Committees and development process
4. Discussion and review of the draft PCR
5. Next steps
6. Your questions
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Three important acronyms
• RCMA is developing a Product Category Rule (PCR)
• A PCR is a roadmap for Life Cycle Assessment (LCA)
• The PCR template and results of an LCA are used to create an Environmental Product Declaration (EPD)
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What is Life Cycle Assessment (LCA)?
• Methodology to assess the environmental impact of products, technologies, materials, and/or services
• Mass balance of inputs/outputs across a system
• Uses Life Cycle Thinking
• Tracks multiple environmental indicators
• Considers functional equivalence
• Governed by ISO 14040, 14044, and 14025
• Used for benchmarking and comparison
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LCA and the Coatings Industry
Architectural Coatings PCR
ACA published PCR
May 2015
Increasing Demand for LCA
Requires PCR
LEED v4
Green Globes
LCA Data for Coatings
Improving
More accessible
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RCMA Value Proposition
Apples to apples comparison
Credibility from 3rd part validation
Validated data on roof coatings benefits
Demand from users, specifiers, NGOs
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Drivers of Demand for EPDs
LEED v4Green Globes
IGCCMajor
corporations
Architecture Firms
Contractors
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Program OperatorProgram OperatorProgram OperatorProgram Operator
Committee Structure
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NSF ensures compliance with NSF and ANSI procedural requirements for consensus-based PCR development (process, documentation, etc.)
Meeting and project facilitation support with PCR Committee Chair including management of external third-party review
NSF provides third-party verification of EPDs
RCMA Program Operator
Project Facilitation
EPD Verification
ANSI Approved Program Operator
Committee Structure – Program OperatorProgram OperatorProgram OperatorProgram Operator
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Committee Structure – Drafting Team Drafting Team Drafting Team Drafting Team
• Small group
• LCA & Sustainability experts
• Responsible for • Drafting the LCA technical content
• Creating the starting document for the PCR Committee
• Provides regular updates to PCR Committee
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Committee Structure – PCR CommitteePCR CommitteePCR CommitteePCR Committee
• Stakeholder consensus body
• Membership includes stakeholders from: • Industry
• Public health/regulatory
• Users
• Responsible for: • Reviewing document provided by the drafting team
• Providing feedback during comment period
• Officially votes on publishing the document
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PCR TeamsCompleted
External ReviewIn-process
PCR PublicationPCR Review Completed
PCR Drafting Team & PCR Committee
develop, review, and approve
final PCR document
Internal member
review and public review are complete
Undergoing formal external review
Anticipated late Q3 of 2016
ACA PCRReferenced
Leverages ACA’s PCR
template for architectural
coatings
PCR Development StatusStatusStatusStatus
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PCR Summary
Template: Architectural Coatings PCR
Inclusive: All types of roof
coatings
Design Life
Cradle to Grave Scope
Systems approach
Functional Unit
Based on current draft – under external review
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PCR Summary – Cradle to Grave ScopeCradle to Grave ScopeCradle to Grave ScopeCradle to Grave Scope
• Considers – Resource Acquisition, Manufacturing, Packaging and Transport, Use, and Disposal
• Requires a framework to classify expected performance and durability to be created
• Ensures transparency in comparisons
Based on current draft – under external review
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PCR Summary – Functional UnitFunctional UnitFunctional UnitFunctional Unit
The functional unit shall be 1m2 of covered and protected roofing membrane for a period of 20 years (the expected roof system lifespan extension provided by the coating).
• May require multiple coats or re-coats
• Includes the entire coating system needed to satisfy functional unit
20 year
10 year
10 year
+
Based on current draft – under external review
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PCR Summary – Systems ApproachSystems ApproachSystems ApproachSystems Approach
• Roof coatings often designed as a system comprised of multiple layers
• An individual layer may not satisfy the functional unit
• Include the entire coating system needed to achieve full performance and coverage
Primers
Basecoats
Fabric / Mechanical Reinforcement
Topcoat
Based on current draft – under external review
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PCR Summary – Design LifeDesign LifeDesign LifeDesign Life
• Lifespan to determine re-coats required to meet functional unit
• Developed through industry consensus and open comment period
• Based on ASTM standard specifications
• Provisions for hybrids and other types of coatings
Coating TypeTypical
Service Life
High
Performance
Service Life
Acrylic 7 years 15 years
Silicone 15 years 25 years
Asphaltic 3 years 7 years
Polyurethane 10 years 20 years
Aluminum 3 years 7 years
Based on current draft – under external review
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Breakdown of Formal Comments
83 Total Comments from 11 groups
• ~45 - editorial/typographical edits
• ~15 - could not be changed given ISO 21930
• ~13 - LCA-specific adjustments. All minor
• 4 - General questions
• 3 - Clarification of product category
• 3 - Performance tests and/or lifetime suggestions
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Date
Completed
Responsible
PartyActivity Milestone
Completed RCMA & NSF
Kick-off conference call with the Roof Coating Manufacturers Association to review development
schedule, identify potentially interested parties for outreach, and comments to initial draft PCR (as
applicable).
Completed Drafting TeamSeat PCR drafting team. NSF will provide teleconference arrangements for participants and a
demonstration of its Online Workspace and how it will be used to support PCR development.
Completed Drafting Team
Work with PCR drafting team to further develop the content of the draft PCR in accordance with ISO
14025 and ISO 21930. (Intermittently meet with full PCR committee to review the draft and solicit
feedback as needed)
CompletedCommittee
Transition PCR working draft to the full PCR Committee. Full PCR committee works to further develop the
technical content specific to the product.
June/July
(4 weeks)Review Panel NSF will submit the completed draft PCR for review by an independent PCR review panel.
July/August
(2 weeks)PCR Chair & NSF
The PCR Chair and NSF staff will manage and incorporate reviewer comments, as well as drafting
proposed language to resolve comments. The updated draft will be sent to the committee for review.
August
(2 weeks)Committee
Teleconference to review the independent PCR review panel’s comments and the PCR Chair & NSF’s
suggested revisions to resolve the comments.
September
(2 weeks)Committee Electronic ballot to approve the final PCR for publishing.
September
(2 weeks)NSF
Final editing of the PCR will be completed by NSF. The final PCR will be posted for public access.
Availability of the final PCR will be publicized through media releases, webinars, website postings, social
media, etc.
Maintenance
of the PCRNSF NSF will ensure the ongoing review and maintenance of the PCR at least once every five years.
Next Steps
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