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LEEDv4 Materials
Resources
Helen Sanders,
SAGE Electrochromics, Inc.
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LEED v4: Materials and Resources - Overview
Materials and Resources is one section of LEEDv4
• Multiple credit areas within the section
• Project teams can achieve points by complying with some or all of the
credit areas
Intent:
• Reward projects for reusing as much material as possible
• Reward projects for optimizing the design to use less material overall
• Life-cycle thinking on whole-building and product level
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Credit Area: Building Product Disclosure and Optimization –
Material Ingredients
Intent
• To encourage the use of products that have
• life-cycle information available
• environmentally, economically , socially preferable life-cycle impacts.
• To reward teams for selecting products which
• Chemical ingredients inventoried using accepted methodologies
• Verified to minimize the use and generation of harmful substances
• To reward raw material manufacturers who produce products verified to
have improved life-cycle impacts
2 Points available from 3 options
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Option 1: Material Ingredient Reporting (1 pt)
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Use at least 20 different permanently install products from at least 5
different manufacturers that demonstrate the chemical inventory of
the product to at least 0.1% using one of:
• HPD – published with full disclosure of known hazards
• Cradle to Cradle (v2 basic level or v3 bronze level),
• Declare (all ingredients evaluated and disclosed to 1000ppm)
• Manufacturer Inventory (ingredient list by CAS #)
• Furniture Sustainability standard
• Cradle to Cradle Material Health Certificate (Bronze or higher and
at least 90% of materials assessed by weight)
Material Ingredients
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Option 2: Material Ingredient Optimization (1 point)
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• Use products that document their ingredient optimization for at least
25%, by cost, of the total value of permanently installed products
• Following paths are approved:
• GreenScreen v1.2 Benchmark: Products must have fully
inventoried ingredients to 100ppm and show that there are no
Benchmark 1 hazards
• Cradle to Cradle certified (END USE PRODUCTS!) – credit that can
be taken towards 25% value depends on level of certification.
• REACH Optimization – ingredients must meet REACH criteria for
substances of high concern
Material Ingredients
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Option 3: Product Manufacturer Supply Chain Optimization (1pt)
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Use products for at least 25%, by cost, of the total value of permanently installed products
which:
• Sourced from mfrs who engage in a validated, robust, safety, health, hazard & risk
programs that document at least 99% of the ingredients used to make the product
• Sourced from mfrs with 3rd party verification of their supply chain that at a minimum
verifies processes exist
• to communicate chemicals in supply chain according to hazard, exposure & use info
• to identify, document and communicate H, S E characteristics of ingredients
• to optimize H, S & E impacts when designing and improving ingredients
• to communicate, receive & evaluate ingredient safety & stewardship in supply chain
Material Ingredients
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Credit Area: Building Product Disclosure and Optimization Material Ingredients
• Option 1 (ingredient disclosure) is easier for product teams – that’s why
you are being asked for HPDs or equivalent
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Some architectural firms won’t spec your product without a material
disclosure!
• Options 2 (ingredient optimization) and 3 (supply chain optimization)
are harder!
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There are opportunities for differentiation in the optimization
category….
Material Ingredients
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Credit Area: Building Product Disclosure and Optimization –
Environmental Product Declarations
Intent
• To encourage the use of products
• which have life-cycle information available
• that have environmentally, economically, socially preferable life-cycle impacts.
• To reward project teams for selecting products from manufacturers who have verified
improved environmental life cycle impacts
2 points maximum available
Achieve one or more of 2 options
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Option 1: Environmental Product Declaration (EPD)
(1 point)
• Use at least 20 different permanently install products from at least 5 different
manufacturers that meet one of the following:
• Product Specific Declaration
• Critically reviewed LCA using ISO 14044, cradle to gate minimum
• ¼ point per product
• EPD conforming to ISO 14025, 14040, 14044 with at least cradle to gate scope
• Industry-wide (generic) 3rd party verified (type III) EPD – where
manufacturer was a participant - ½ point per product
• Product specific Type III EPD – 1 point per product
Environmental Product Declarations
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Option 2: Multi-attribute optimization (1 point)
• Use Products that comply with one of the following for 50% by cost of the total value
of permanently installed products in the project.
• 3rd party certified products that demonstrate impact reduction below industry
average in at least 3 of the following categories
• GWP, Ozone depletion, Acidification, eutrophication, tropospheric ozone,
depletion of non-renewable energy resources
• USGBC approved program
• Products sourced within 100 miles of the project are valued at 200% of their cost
• Structure and enclosure cannot constitute more than 30% of the compliant products
Environmental Product Declarations
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Credit Area: Building Life-Cycle Impact Reduction
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Intent
• To encourage adaptive reuse
• To encourage optimization of environmental performance of products and
materials
5 Points available from 4 options:
1. Historic building reuse (5 points)
2. Renovation of abandoned or blighted building (5 points)
3. Building and material reuse (2-4 points)
4. Whole building life-cycle assessment (3 points)
Building life-cycle impact reduction
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Option 4: Whole Building lifecycle assessment
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• For new construction conduct an LCA of the structure and
enclosure to show a minimum 10% reduction in 3 of 6 impact
categories (one must be GWP)
• Service life of 60 years
• Implications for the industry:
• Project teams will be asking for environmental impacts
(LCA/EPD information) in order to build their LCA
Building life-cycle impact reduction
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Conclusions
• LEEDv4 will be the only LEED version in use by October
• For products being sold into sustainably designed buildings:
Material Ingredient hazard disclosures and LCA/EPDs
are becoming essential
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A number of ingredient hazard declarations are possible and straightforward
• although there are still disclosures that don’t follow the rules!
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LCA/EPDs take significantly more effort
• Industry wide EPD to share cost?
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