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  2. 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]

  3. Building insulation - Wikipedia

    en.wikipedia.org/wiki/Building_insulation

    The effectiveness of bulk insulation is commonly evaluated by its R-value, of which there are two – metric (SI) (with unit K⋅W −1 ⋅m 2) and US customary (with unit °F⋅ft 2 ⋅h/BTU), the former being 0.176 times the latter numerically, or the reciprocal quantity the thermal conductivity or U-value W⋅K −1 ⋅m −2.

  4. Building insulation material - Wikipedia

    en.wikipedia.org/wiki/Building_insulation_material

    Unscrupulous contractors may "fluff" insulation using fewer bags than optimal for a desired R-value. Dry-spray (but not wet-spray) cellulose can settle 20% of its original volume. [28] However, the expected settling is included in the stated R-Value. The dense-pack dry installation reduces settling and increases R-value.

  5. 6 Home Depot Products Under $50 That Will Reduce Your ... - AOL

    www.aol.com/finance/6-home-depot-products-under...

    Here are six products from Home Depot that will help you reduce your utility bills this winter. Orbit Programmable Thermostat. ... Frost King Window Insulation Kit. Price: $4.98.

  6. Thermal conductivity and resistivity - Wikipedia

    en.wikipedia.org/wiki/Thermal_conductivity_and...

    The construction industry makes use of measures such as the R-value (resistance) and the U-value (transmittance or conductance). Although related to the thermal conductivity of a material used in an insulation product or assembly, R- and U-values are measured per unit area, and depend on the specified thickness of the product or assembly. [note 2]

  7. 10 Home Depot Items You Should Stock Up on Now If You ... - AOL

    www.aol.com/10-home-depot-items-stock-160020909.html

    Frost King Indoor Window Insulation Kit. Price: $4.98. If your house gets drafty in the winter months, pick up a Frost King Indoor Window Insulation Kit. Designed for use on interior windows, each ...

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