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Design Aspects of the Arboretum Green Roof

Design Aspects of the Arboretum Green Roof. Green Roof Symposium. Shady location Close to natural grade Teaching tool for arboretum. Project Issues:. Risk Management - 70% lawsuit/roof failures ratio Maintenance Warranties BCOM Approval. University Issues:.

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Design Aspects of the Arboretum Green Roof

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  1. Design Aspects of the Arboretum Green Roof Green Roof Symposium

  2. Shady location • Close to natural grade • Teaching tool for arboretum Project Issues:

  3. Risk Management • - 70% lawsuit/roof failures ratio • Maintenance • Warranties • BCOM Approval University Issues:

  4. A Short History of Roofs… there are several types of roofs: roofs that shed water: ▪ shingle roofs ▪ metal roofs

  5. A Short History of Roofs… there are several types of roofs: roofs that are barriers: ▪ single-ply roofs (sheets) - ▪ EPDM ▪ TPO ▪ Modified Bitumen ▪ PVC ▪ liquid-applied membranes

  6. A Short History of Roofs… there are several types of roofs: typical single-ply installations:

  7. A Short History of Roofs… there are several types of roofs: IRMA roofs:

  8. A Short History of Roofs… green roofs: there are several types of roofs: green roofs: ▪ extensive/intensive ▪ planted in place ▪ green grid

  9. green roofs: ▪ extensive/intensive the JMU Arboretum will be extensive

  10. green roofs: ▪ planted in place advantages: ▪ wrap around warranty ▪membrane by a reputable local installer disadvantages: ▪ more costly to repair leaks ▪ single supplier requires exemption from BCOM ▪ immature plants may be installed in summer, requiring watering

  11. green roofs: ▪ green grid advantages: disadvantages: ▪ grids are removable for repair ▪ can be installed on any roof membrane ▪ plants can be installed later, once established & more mature ▪ no wrap around warranty with preferred roofing manufacturer ▪ possible additional cost ▪ single-source exemption from BCOM ▪ available details ▪ warranty

  12. critical steps: architect as advisor: ▪ provide information on each system ▪ technical information ▪ research references for each system ▪ find installations for client to view ▪ create comfort with decision

  13. JMU arboretum

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