What Can We Afford? Sustainability, Performance, and Roof Insulation Brought to you by Hunter Panels Makers of Polyiso Roof Insulation and CoolVent®

Energy Efficiency, Sustainability, and Roof Insulation 2 Sustainability, Performance, and Roof Insulation Hunter Panels is a Registered Provider with the American Institute of Architects Continuing Education Systems. Credit earned on completion of this program will be reported to CES Records for AIA members. Certificates of Completion for non-AIA members are available on request. This program is registered with the AIA/CES for continuing professional education. As such, it does not include content that may be deemed or construed to be an approval or endorsement by the AIA of any material of construction or any method or manner of handling, using distributing or dealing in any material or product. Questions related to specific materials, methods, and services will be addressed at the conclusion of this presentation. This presentation is protected by US and International copyright laws. Reproduction, distribution, display and use of the presentation without written permission of the publisher is prohibited. Copyright © 2009 Hunter Panels. Program development by SpecGuy.

Energy Efficiency, Sustainability, and Roof Insulation 3 Sustainability, Performance, and Roof Insulation Learning objectives: Participants will be able to:  Explain the difference between First Cost, Building Operating Cost, and Whole System Cost in relationship to roof insulation selection  Establish design requirements for roof insulation performance based on sustainable design principles and LEED credit criteria  Identify other important performance requirements used to select roof insulation products

Energy Efficiency, Sustainability, and Roof Insulation 4 What Can We Afford? It's not a simple question Our clients expect an answer The answer may not be what they or we expect

Energy Efficiency, Sustainability, and Roof Insulation 5 What Can We Afford? We'd better become cost experts  First Cost  Building Operating Cost  Whole System Cost

Energy Efficiency, Sustainability, and Roof Insulation 6 What Can We Afford? First Cost Definition of First Cost  Site acquisition  Development fees  Design services  Materials costs  Installation costs

Energy Efficiency, Sustainability, and Roof Insulation 7 What Can We Afford? Building Operating Cost Definition of Building Operating Cost  Owning  Operating  Heating and cooling  Cleaning  Maintaining  Renewing

Energy Efficiency, Sustainability, and Roof Insulation 8 What Can We Afford? Whole System Cost Definition of Whole System Cost  Social and political  Environmental  Infrastructure  Military

Energy Efficiency, Sustainability, and Roof Insulation 9 What Can We Afford? Sustainability

Energy Efficiency, Sustainability, and Roof Insulation 10 What Can We Afford? Sustainability Definition of Sustainability Sustainability: Situations where the environmental impacts of present human activities do not reduce the potential for the environment to support future human activities

Energy Efficiency, Sustainability, and Roof Insulation 11 Environmental impact of our buildings Buildings are our biggest producers of greenhouse gases  76% of planned coal-based power expansion will go toward operating buildings  Current energy costs and energy codes do not reflect long term costs  We're still building like it's 1970!

Energy Efficiency, Sustainability, and Roof Insulation 12 First Cost and Roof Insulation Selection First cost drives the majority of construction industry roof system designs  Meet only minimum requirements for manufacturer warranty  Meet only minimum building code requirements  Meet only minimum energy code

Energy Efficiency, Sustainability, and Roof Insulation 13 First Cost and Roof Insulation Selection Contractors advocate first cost decisions  Market pressures result in minimally acceptable systems  Contractors resolve owner budgets to get projects started  First Cost may cost owners more …

Energy Efficiency, Sustainability, and Roof Insulation 14 First Cost and Roof Insulation Selection Architects advocate long term owner and community interest  Economic climate now is creating an environmental imperative  Architects can support decisions that look beyond first cost  Owners are forced to consider long term interest

Energy Efficiency, Sustainability, and Roof Insulation 15 First Cost and Roof Insulation Selection Comparison of first cost roof insulation design choices for foam plastic roof insulation  Market conditions?  Project conditions?  Related construction costs?  Relation to HVAC system design?  Relation to electrical system design? Polyisocyanurate (PIR) ? Extruded polystyrene (XPS) ? Expanded polystyrene (EPS) ? Lightweight insulating concrete (LWIC) ?

Energy Efficiency, Sustainability, and Roof Insulation 16 Operating Cost and Roof Insulation Selection Life cycle costs affect future facility owners and leasees  Energy purchase costs  HVAC system maintenance  System renewal costs

Energy Efficiency, Sustainability, and Roof Insulation 17 Whole System Costs and Roof Insulation Selection Life cycle costs affect future facility owners, leasees, and communities: Building abandonment costs

Energy Efficiency, Sustainability, and Roof Insulation 18 LEED and Roof Insulation Selection LEED emphasizes the importance of environmental impact as part of design process  Comparison of optimal energy performance to base energy code- compliant building  Restrictions on chemically-undesirable substances  Re-usability of materials  Use of recycled materials  Reduced transportation costs for materials

Energy Efficiency, Sustainability, and Roof Insulation 19 LEED and Roof Insulation Selection A reminder when you're reading product literature about sustainability:  "Although USGBC does not certify, promote, or endorse products and services of individual companies, products and services do play a role and can help projects with credit achievement. (Note that products and services do not earn projects points.)"

Energy Efficiency, Sustainability, and Roof Insulation 20 LEED and Roof Insulation Selection LEED credits related to roof insulation selection  LEED Energy and Atmosphere EA Prerequisite 2: Minimum Energy Performance Compliance with ASHRAE and local energy codes  LEED Energy and Atmosphere EA Credit 1: Optimize Energy Performance Increased roof insulation levels contribute to optimized energy performance

Energy Efficiency, Sustainability, and Roof Insulation 21 LEED and Roof Insulation Selection LEED credits related to roof insulation selection  LEED Materials and Resources MR Credit 1: Building Reuse Roof insulation from some systems is reusable in recover and partial tear off applications  LEED Materials and Resources MR Credit 2: Construction Waste Management Alternatively, reuse of roof insulation may help achieve future points under recycling portion of this credit

Energy Efficiency, Sustainability, and Roof Insulation 22 LEED and Roof Insulation Selection LEED credits related to roof insulation selection  LEED Materials and Resources MR Credit 4: Recycled Content Certain roof insulation types from certain manufacturers contain recycled materials

Energy Efficiency, Sustainability, and Roof Insulation 23 LEED and Roof Insulation Selection LEED credits related to roof insulation selection  LEED Environmental Quality EQ Credit 4: VOC limits Roof insulation materials located inboard of the roofing membrane may affect interior VOC or formaldehyde levels, though these items are not addressed under this credit  LEED Innovation in Design ID Credit 1: Addresses sustainable design practices not specifically addressed under existing LEED credits

Energy Efficiency, Sustainability, and Roof Insulation 24 Life Cycle Cost and Roof Insulation Selection Life cycle cost analysis (LCA) is an emerging sustainable design best practice  Building purchasers and leasees use LCA in due diligence analysis  Applies to whole building and to individual building systems  Addresses present and future costs  LEED 2009 will include LCA considerations ASTM E "Standard Practice for Measuring Life-Cycle Costs of Buildings and Building Systems"

Energy Efficiency, Sustainability, and Roof Insulation 25 Value Engineering and Roof Insulation Selection Value Engineering or Value Methodology is a professional discipline applied to functional analysis of choices during the design process Savings advantages of Value Engineering: From The Whole Building Design Guide

Energy Efficiency, Sustainability, and Roof Insulation 26 Value Engineering and Roof Insulation Selection Typical VE analysis related to roof insulation selection includes:  Relationship between roof insulation levels and annual energy costs across life of system  Relationship between roof insulation levels and HVAC system size  Relationship between roof insulation thickness and building perimeter enclosure costs

Energy Efficiency, Sustainability, and Roof Insulation 27 Value Engineering and Roof Insulation Selection Typical VE analysis related to roof insulation selection includes  Long-term thermal performance  Longevity of roofing and roof insulation  Roofing and roof insulation renewal capability to extend service life  Roofing and roof insulation reusability

Energy Efficiency, Sustainability, and Roof Insulation 28 Roof Insulation Fire Safety Selection Criteria Building codes address roof insulation fire safety through 4 sets of criteria  UL fire resistance rated roof/ceiling assembly (hourly rating)  External fire resistance rating (Class A, B, or C)  Internal standard Class 1 FMG 4450/4470  Use of foam plastic insulation

Energy Efficiency, Sustainability, and Roof Insulation 29 Roof Insulation Fire Safety Selection Criteria International Building Code (IBC) Section 2603: Foam plastic insulation  Must meet external fire-resistance Class A, B, or C  Must use approved thermal separation board, or  Must be used as part of identical tested roof covering assembly Factory Mutual Global (FMG) 4450/4470 Underwriters Laboratories (UL)1256 Tests using other assemblies do not meet code requirements

Energy Efficiency, Sustainability, and Roof Insulation 30 Roof Insulation Fire Safety Selection Criteria International Building Code (IBC) Section 2603:  Polyiso is the only foam plastic insulation approved for most roof covering assemblies without use of a thermal separation board Polyiso meets both FMG 4450/4470 and UL 1256 as a component of most high slope and low slope roofing systems Extruded polystyrene does not meet FMG 4450/4470 Extruded polystyrene does not meet UL 1256 in steep slope or most low slope roofing

Energy Efficiency, Sustainability, and Roof Insulation 31 Roof Insulation Fire Safety Selection Criteria Foam plastics vary in their performance when exposed to heat Service temp Melting point Flash point Polyisocyanurate (PIR) 250none Extruded polystyrene (XPS) Expanded polystyrene (EPS)

Energy Efficiency, Sustainability, and Roof Insulation 32 Other Roof Insulation Selection Criteria Design impact of thickness to long-term R value  Reduced fascia, rake, and curb profiles for high slope roofs  Reduced gravel stop, curb, and parapet heights for low-slope roofs  Reduced perimeter nailer thickness  Reduced flashing depth  Reduced thickness allowance for re-roofing Inches needed for R-30 insulation Polyisocyanurate (PIR) 5 inches Extruded polystyrene (XPS) 6 inches Expanded polystyrene (EPS) 7 inches

Energy Efficiency, Sustainability, and Roof Insulation 33 Other Roof Insulation Selection Criteria Tolerance of roof surface traffic for equipment access

Energy Efficiency, Sustainability, and Roof Insulation 34 We Can Afford More The cost savings of going beyond the minimum

Energy Efficiency, Sustainability, and Roof Insulation 35 We Can Afford More Breaking even is better than breaking even  Whole system costs of energy supply are not directly passed to building end users  Conserving energy relieves social and political pressures  If life cycle cost of energy-saving improvements is just break even, it's better than break even  We can't afford to not afford thermal performance

Energy Efficiency, Sustainability, and Roof Insulation 36 We Can Afford Sustainability

Energy Efficiency, Sustainability, and Roof Insulation 37 For more information List of resources and websites  Polyisocyanurate Insulation Manufacturers Association (PIMA):  Department of Energy Building Energy Codes Center:  US Green Building Council (USGBC):  ASTM International:  SAVE International Value Engineering Society:  Value Engineering article:  The Whole Building Design Guide:

Energy Efficiency, Sustainability, and Roof Insulation 38 Sustainability, Performance, and Roof Insulation Learning objectives: Participants are be able to:  Explain the difference between First Cost, Operating Cost, and Whole System Cost in relationship to roof insulation selection  Establish design requirements for roof insulation performance based on sustainable design principles and LEED credit criteria  Identify other important product selection criteria used to select roof insulation products Questions?

This concludes this AIA/CES education program What Can We Afford? Sustainability, Performance, and Roof Insulation Brought to you by Hunter Panels Makers of Polyiso Roof Insulation and CoolVent®