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in the Green Procurement Compilation

Learn & Plan Topics

  • Sustainable Sites

    Choosing a building's site and managing that site during construction are important to ensure a project's sustainability. Environmentally responsibl...
  • Water Efficiency

    Buildings are significant users of the Earth’s freshwater supply. The goal of a responsible building operator should be to encourage a sma...

  • Integrative Design Process

    Integrative thinking looks for synergies among strategies - strategies that enhance one another. It also looks for strategies that, taken together, ...
  • Biophilic Design

    Learn why nature is so important to us, what we know about the benefits of nature, and how biophilia is being applied in buildings, particularly in ...

Vegetated (Planted) Roof

A vegetated roof is a layered system of growing medium (soil), filters, and waterproof membrane on the roof of a building. Some or all of a standard roof can be converted into a planted roof. Planted roofs absorb heat instead of reflecting it, reducing Heat Island Effect. They can also serve as gardens and provide excellent insulation.

Penn State | Center for Green Roof Researchnon government site opens in new window

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Whole Building Systems

  • Planted Roof - Roof Leak Prevention

    Leaks are generally caused by poor workmanship. Unless the problems are ubiquitous, a project failure will not result. However, the process of ident...

  • Planted Roof - Planted Roof Professional

    Planted Roof Professionals can offer unique insights into the the best practices for optimizing planted roof benefits according to project goals. Th...

  • Planted Roof - Planted Roof Impact on Humans

    Planted roofs can have positive health and well-being impacts on both building occupants and the general population.

  • Planted Roof - Human Behavior on Planted Roofs

    Human behavior and interaction with the building space plays a critical component in achieving holistic sustainability. Benefits can only be achieve...

  • Planted Roof - Green Tips

    Consider coupling photovoltaics with a planted roof to optimize performance (see Solar/Photovoltaic).

  • Planted Roof - Green Tips

    Determine which planted roof type is appropriate for your building project goals.

  • Planted Roof - Green Tips Impact

    Provide placards where planted roofs are accessible to educate occupants on sustainability design and operation principles.

  • Planted Roof - Green Tips Impact

    Locate ventilation intakes near planted roofs to promote cleaner indoor air quality.

  • Planted Roof - System Overview

    A “roof over our heads” is an essential part of a building envelope, protecting occupants and building structures and systems from the e...

  • Planted Roof - Life Cycle Analysis

    When making roofing project decisions, you should compare the life cycle cost of the proposed planted roof to the conventional option for your facil...

  • Planted Roof - Energy Use Reduction

    Planted roofs reduce building energy use by cooling roofs and providing shading, thermal mass and insulation. Building-Level Energy Reduction The ...

  • Planted Roof - Structural Engineer

    The Structural Engineer, in collaboration with the Landscape Architect, determines structural loads associated with planted roof renovation and ensu...

  • Planted Roof - Green Tips

    Intensive planted roofs can vary in their maintenance needs. A professional planted roof designer should establish the required number of maintenanc...

  • Planted Roof - Other Guidelines

    Many institutions outside of the federal government are creating guidelines and standards for planted roofs. ASTM International has developed standa...

  • Planted Roof - Green Globes New Construction (NC)

    Green Globes for NC emphasizes the benefits of a planted roof on other systems within the building. While it only mentions planted roofs directly on...

  • Planted Roof - LEED O+M: Existing Buildings (v4)

    LEED Operations and Maintenance (O+M) for Existing Buildings addresses many of the benefits that planted roofs provide. Planted roofs have a positiv...

  • Planted Roof - LEED BD+C: New Construction (v4)

    While there is no unique credit that specifically addresses the construction of planted roofs, LEED for Building Design and Construction (LEED BD+C)...

  • Planted Roof - Green Tips

    Consider not only how the construction materials are managed but also how management of planted roof materials will continue in the future.

  • Planted Roof - Green Tips

    A minimum of three maintenance visits per year is recommended for an extensive planted roof during the establishment period.

  • Planted Roof - Green Tips

    Maintenance costs will be higher any time a planted roof includes a landscaped design, as workers will also need to spend time maintaining the desig...

  • Planted Roof - Green Tips

    The design of the vegetative roof profile should encourage plant roots to grow to the base of the profile.

  • Planted Roof - Green Tips

    Design your planted roof layers to include a low-voltage leak detection system in order to pin-point leaks in the membrane.

  • Planted Roof - Roofing or Waterproofing Consultant

    The Roofing or Waterproofing Consultant determines the best waterproofing system and strategy for the design of the planted roof. These Consultants ...

  • Planted Roof - Air Cleansing

    Planted roofs contribute to improved air quality by capturing greenhouse gases, particulates, pollens, and molds. The vegetation on a planted roof c...

  • Planted Roof - Indoor Air Quality (IAQ)

    Plants have long been used in the urban environment to remove air pollutants like carbon dioxide and carbon monoxide, smog-forming compounds and par...

  • Planted Roof - Financial

    Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) Planted Roof The decision of whether to install a planted roof should be considered o...

  • Planted Roof - Risk Analysis

    Be sure to consider the impact of a planted roof on your facility’s risk, as this is often not captured in a life cycle analysis. For example,...

  • Planted Roof - Watering

    In many areas of the United States it is possible to design vegetative roofs without irrigation, including much of the Midwest and East. Even in ari...

  • Planted Roof - Roof Duarability

    Reduced temperature fluctuations reduce thermal stress.  Benefits of a planted roof are realized through the extended life of the roof membrane...

  • Planted Roof - Resources

    Planted roof systems have a significant impact on the building's overall energy and material consumption. Take into consideration these impacts when...

  • Planted Roof - System Bundling

    Planted roofs have synergistic benefits that result in energy saving and stormwater management; they are an attractive alternative to traditional ro...

  • Planted Roof - O&M

    U.S. Tax Court Planted Roof After Establishment U.S. Tax Court Planted Roof Before Establishment The first years of a planted roof’s...

  • Planted Roof - Integrative Design Process

    A planted roof is a system just like mechanical or plumbing, and should be thought about in the larger context of the holistic building.  As it...

  • Planted Roof - Energy Production

    The vegetation on a planted roof removes fine particulates (PM), black carbon, and pollen out of the air, which lends well to incorporating solar pa...

  • Planted Roof - Architect

    The Architect leads the planted roof design team. Since the roofing system is integrated into the building as a whole, the Architect should design t...

  • Planted Roof - Landscape Architect

    The Landscape Architect is responsible for site analysis and can provide the design, layout, plant, and growing medium selection for the planted roo...

  • Planted Roof - Civil Engineer

    The Civil Engineer determines the drainage capacity of the roof and its impact on stormwater. The Civil Engineer should work with the Architect to d...

  • Planted Roof - Mechanical Engineer

    The Mechanical Engineer conducts energy modeling and optimizes the HVAC system. The Mechanical Engineer’s perspective is important at the plan...

  • Planted Roof - Effect on Existing Building Systems

    A planted roof enhances the performance of existing building systems (see System Bundling). This lowers the operating costs and, when replaced, resu...

  • Planted Roof - Presidential Memorandum - Creating a Federal Strategy to Promote the Health of Honey Bees and Other Pollinators

    The President issued a memorandum directing U.S. government agencies to take additional steps to protect and restore domestic populations of pollina...

  • Planted Roof - Environmental Policy Act of 2005 (EPAct 2005)

    The Environmental Policy Act of 2005 offers tax incentives for many energy and sustainability improvements that planted roofs can provide. A tax inc...

  • Planted Roof - Green Globes for Existing Buildings

    Green Globes for Existing Buildings asks project managers primarily about the rooftop design in general. Building a planted roof can ensure that man...

  • Planted Roof - The Sustainable Sites Initiative (SITES)

    SITES is an interdisciplinary partnership to transform land development and management practices through voluntary guidelines and rating system...

  • Planted Roof - Aesthetics

    Both intensive and extensive planted roofs can create an attractive space for building occupants, and views for those in neighboring buildings. Inte...

  • Planted Roof - Acoustics

    Planted roofs are better at absorbing sound than conventional and concrete roofs. When used on buildings without ceiling insulation, they can reduce...

  • Planted Roof - Energy Independence and Security Act (2007)

    The Energy Independence and Security Act (EISA) requires projects involving any Federal facilities with a footprint that exceeds 5,000 square feet t...

  • Planted Roof - Occupant Satisfaction

    The term "biophilia", meaning love of nature, is increasingly being used in high-performance building design. The goal of biomimicry is to recreate ...

  • IEQ - Moisture Control

    Moisture can enter the office building in a number of ways, including leaks in the building envelope and plumbing systems or excessive moisture in t...

Materials

  • Skylights / Solar Tubes

    Skylights/light tubes allow daylight to penetrate into a space. They are typically located in the roof/ceiling and can vary in size. Certain solar...
  • Skylights / Solar Tubes

    Skylights/light tubes allow daylight to penetrate into a space. They are typically located in the roof/ceiling and can vary in s...