STP1116

    Preliminary Assessment of Radiation Control Coatings for Buildings

    Published: Jan 1991


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    Abstract

    Radiation Control Coatings (RCCs) applied to external building surfaces can reflect about 85 percent of the solar heating from the surfaces of buildings. Since in warm climates, solar heating is the primary source of heat gain through walls and roofs, RCC technology represents an alternative or adjunct to conventional thermal control methods (e.g. thermal insulation) for opaque building components.

    The primary objectives of this project were to: (1) obtain solar and infrared reflectance data for representative RCC products, (2) evaluate test methods for measurement of the radiative properties of RCCs; (3) calculate the changes in heat flow attributed to RCCs in flat roof applications in several geographic locations; and (4) compare field tests and calculated thermal performance of an RCC in a flat roof configuration.

    Data are presented for the reflectance properties of five commercially available RCC products as determined by several test methods. The potential energy benefits of RCCs are presented for flat roofs in both warm and cold climates.

    Keywords:

    radiation control coatings, building heat loads, building cooling loads, thermal insulation, solar reflectance, emittance, infrared reflectance


    Author Information:

    Anderson, RW
    Presidentsenior scientists, Robert W. Anderson and Associates, Inc.Oak Ridge National Laboratory, Boulder CityOak Ridge, NVTN

    Yarbrough, DW
    Presidentsenior scientists, Robert W. Anderson and Associates, Inc.Oak Ridge National Laboratory, Boulder CityOak Ridge, NVTN

    Graves, RS
    Presidentsenior scientists, Robert W. Anderson and Associates, Inc.Oak Ridge National Laboratory, Boulder CityOak Ridge, NVTN

    Wendt, RL
    Presidentsenior scientists, Robert W. Anderson and Associates, Inc.Oak Ridge National Laboratory, Boulder CityOak Ridge, NVTN


    Paper ID: STP16337S

    Committee/Subcommittee: C16.16

    DOI: 10.1520/STP16337S


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