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2. 50 Times Cheap Fixes Had A Major Impact On Home Life - AOL

   www.aol.com/55-people-share-relatively-cheap...

   $300 of blown in insulation and radiant barrier for the attic. ... Materials cost only, replacing the outlets and switches from 80s/90s almond to modern white; probably about $500 total, but we ...

3. Radiant barrier - Wikipedia

   en.wikipedia.org/wiki/Radiant_barrier

   Manufacturers of this installation method often tout the savings in labor costs in using a product that serves as roof decking and radiant barrier in one. To apply a radiant barrier in an existing attic, it may be stapled to the underside of the roof rafters.

4. Interior radiation control coating - Wikipedia

   en.wikipedia.org/wiki/Interior_radiation_control...

   ASTM C1321-04 "Standard Practice for Installation and Use of Interior Radiation Control Coating Systems (IRCCS) in Building Construction" RIMA has recently made a survey of coatings that claim to have insulating characteristics.

5. Building insulation - Wikipedia

   en.wikipedia.org/wiki/Building_insulation

   Radiant barriers are highly effective for attic spaces in hot climates. [54] In this application, they are much more effective in hot climates than cold climates. For downward heat flow, convection is weak and radiation dominates heat transfer across an air space. Radiant barriers must face an adequate air-gap to be effective.

6. Building insulation material - Wikipedia

   en.wikipedia.org/wiki/Building_insulation_material

   Radiant barriers will reflect radiant energy. A radiant barrier by itself will not affect heat conducted through the material by direct contact or heat transferred by moist air rising or convection. For this reason, trying to associate R-values with radiant barriers is difficult and inappropriate. The R-value test measures heat transfer through ...

7. R-value (insulation) - Wikipedia

   en.wikipedia.org/wiki/R-value_(insulation)

   Installed faced fiberglass batt insulation with its R-value visible (R-21) [1]. The R-value (in K⋅m 2 /W) is a measure of how well a two-dimensional barrier, such as a layer of insulation, a window or a complete wall or ceiling, resists the conductive [2] flow of heat, in the context of construction. [3]