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  2. Reflective surfaces (climate engineering) - Wikipedia

    en.wikipedia.org/wiki/Reflective_surfaces...

    The average daily summertime temperature of the black roof surface was 75 °C (167 °F), but once retrofitted with a white reflective surface, it measured 52 °C (126 °F). Without considering any tax benefits or other utility charges, annual energy expenditures were reduced by $7,200 or $0.07/square foot.(This figure is for energy charges as ...

  3. Daylighting (architecture) - Wikipedia

    en.wikipedia.org/wiki/Daylighting_(architecture)

    Traditionally they are hollow and grouted with a fine concrete grout, but some modern glass brick walls are solid cast glass [22] grouted with a transparent glue. [ 23 ] [ 24 ] If the glue matches the refractive index of the glass, the wall can be fairly transparent.

  4. Passive daytime radiative cooling - Wikipedia

    en.wikipedia.org/wiki/Passive_daytime_radiative...

    When compared to the reflective surfaces approach of increasing surface albedo, such as through painting roofs white, or the space mirror proposals of "deploying giant reflective surfaces in space", Munday claimed that "the increased reflectivity likely falls short of what is needed and comes at a high financial cost."

  5. Building insulation material - Wikipedia

    en.wikipedia.org/wiki/Building_insulation_material

    Spray foam insulation is sprayed onto concrete slabs, into wall cavities ... high R-value and low cost of a thick wall made of straw. "Research by Joe McCabe at the ...

  6. Radiant barrier - Wikipedia

    en.wikipedia.org/wiki/Radiant_barrier

    Reflective bubble/foil insulations are primarily radiant barriers, and reflective insulation systems work by reducing radiant heat gain. To be effective, the reflective surface must face an air space; also, dust accumulation on the reflective surface will reduce its reflective capability.

  7. Noise barrier - Wikipedia

    en.wikipedia.org/wiki/Noise_barrier

    A wall with porous surface material and sound-dampening content material can be absorptive where little or no noise is reflected back towards the source or elsewhere. Hard surfaces such as masonry or concrete are considered to be reflective where most of the noise is reflected back towards the noise source and beyond. [12]

  8. Low emissivity - Wikipedia

    en.wikipedia.org/wiki/Low_emissivity

    Low emissivity (low e or low thermal emissivity) refers to a surface condition that emits low levels of radiant thermal (heat) energy. All materials absorb, reflect, and emit radiant energy according to Planck's law but here, the primary concern is a special wavelength interval of radiant energy, namely thermal radiation of materials.

  9. Insulative paint - Wikipedia

    en.wikipedia.org/wiki/Insulative_paint

    Insulative paints, or insulating paints, are a specially designed type of paint in which can be used to coat a surface (e.g a wall) to reduce heat transfer as well as increase the thermal insulating property (R-value in order to aid cooling and heating efforts for example [1].

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