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Exterior Enclosure (B20): Exterior Walls-Rigid

Summary Source Health End Use Lifecycle ATHENA BEES Properties Costs
Component
Name
Component
Source
Summary: Lifecycle Thinking Biological or Technical Closed- loop Cycle Closest Factory Location
Generic Insulation Expanded Polystyrene Board Insulation
07215
Generic Pros: Does not use HCFCs or CFCs; pentane as expanding agent. Some use of recycled polystyrene; verify % w/mfgr. Low VOCs; may affect MCS persons.

Cons: Pentane causes smog. Deteriorates from UV exposure. Creates toxic fumes when burned. Petroleum-based. Higher embodied energy than XPS or polyiso.
Technical Not yet, but more effective recycling programs will improve the possibility to recycle Various, MN
Insulation Expanded Polystyrene Board Insulation
07215
Perform and Perform Guard
Product Data
See Generic Insulation Expanded Polystyrene Board Insulation Technical Not yet, but more effective recycling programs will improve the possibility to recycle Excelsior, Becker, Lester Prairie, Rockford, MN
Insulation Expanded Polystyrene Board Insulation
07215
CavClear
Product Data
See Generic Insulation Expanded Polystyrene Board Insulation     Excelsior, Becker, Lester Prairie, Rockford, MN
Insulation Expanded Polystyrene Board Insulation
07215
RayLite, BackerBoard, StyroStud
Product Data
See Generic Insulation Expanded Polystyrene Board Insulation     Excelsior, Becker, Lester Prairie, Rockford, MN
Insulation Expanded Polystyrene Board Insulation
07215
Styroflex
Product Data
See Generic Insulation Expanded Polystyrene Board Insulation Technical Not yet, but more effective recycling programs will improve the possibility to recycle Brooklyn Park, MN
Generic Extruded Polystyrene Board Insulation
07215
Generic Pros: Phasing out HCFCs; reduced amounts now used. Durability is best of all rigids. Least water absorption; doesn't promote mold growth. Retains R-value over time.

Cons: Produced from benzene, with environmental and health issues; styrene is possible carcinogen, mutagen, toxin. Higher first cost than EPS; similar to polyiso. Some off-gassing of VOCs.
Technical Not yet, but more effective recycling programs will improve the possibility to recycle Excelsior, Becker, Lester Prairie, Rockford, MN
Extruded Polystyrene Board Insulation
07215
Dow Chemical High Performance Underlayment and Roofing insulations
Product Data
Pros: Phasing out HCFCs; no chlorine or bromine in blowing agent. Durability is best of all rigids. Least water absorption; doesn't promote mold growth. Retains R-value over time. Mfgr. provides full warranty for reuse in roofs if undamaged.

Cons: Produced from benzene, with environmental and health issues; styrene is possible carcinogen, mutagen, toxin. Higher first cost than EPS; similar to polyiso. Some off-gassing of VOCs.
Technical Not yet, but more effective recycling programs will improve the possibility to recycle Excelsior, Becker, Lester Prairie, Rockford, MN
Generic Polyisocyanurate Board Insulation
07215
Generic Pros: Polyisocyanurate Board: May contain recycled polyisocyanurate. Expanded using pentane; no ODP. Will create toxic fumes when burned (review building codes).

Cons: Petrochemical derived increases GHG and GWP.
    Various, none local
Polyisocyanurate Board Insulation
07215
Atlas AC Ultra Roofing Insulation
Product Data
See Generic Polyisocyanurate Board Insulation     IL, GA, PA

Key Definitions To be determined Standard Good Better