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  2. Building insulation material - Wikipedia

    en.wikipedia.org/wiki/Building_insulation_material

    Closed-cell foams are superior insulators. While open-cell foams typically have R-values of 3 to 4 per inch (RSI-0.53 to RSI-0.70 per inch), closed-cell foams can attain R-values of 5 to 8 per inch (RSI-0.88 to RSI-1.41 per inch). This is important if space is limited, because it allows a thinner layer of insulation to be used.

  3. Vapor barrier - Wikipedia

    en.wikipedia.org/wiki/Vapor_barrier

    One common set of units is g/m 2 ·day or g/100in 2 ·day. Permeability can be reported in perms, a measure of the rate of transfer of water vapor through a material (1.0 US perm = 1.0 grain/square-foot·hour·inch of mercury ≈ 57 SI perm = 57 ng/s·m 2 ·Pa). American building codes started classifying vapor retarders in the 2007 IRC supplement.

  4. Rigid panel - Wikipedia

    en.wikipedia.org/wiki/Rigid_panel

    A multi-family residential building under construction with rigid panel exterior insulating sheathing. Rigid panel insulation, also referred to as continuous insulation, [1] can be made from foam plastics such as polyurethane (PUR), polyisocyanurate (PIR), and polystyrene, or from fibrous materials such as fiberglass, rock and slag wool.

  5. Radiant barrier - Wikipedia

    en.wikipedia.org/wiki/Radiant_barrier

    Research has shown that the insulation value of reflective bubble foil insulations and radiant barriers can vary from RSI 0 (R-0) to RSI 0.62 (R-3.5) per thickness of material. A study conducted by CMHC (Canada Mortgage & Housing Corporation) on four homes in Paris, ON found that the performance of the bubble foil was similar to an uninsulated ...

  6. 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 ...

  7. Structural insulated panel - Wikipedia

    en.wikipedia.org/wiki/Structural_insulated_panel

    EPS is the most common of the foams used and has an R-value (thermal resistance) of about 4 °F·ft 2 ·h/Btu (equivalent to about 0.7 K·m 2 /W) per 25 mm thickness, which would give the 3.5 inches (89 mm) of foam in a 4.5-inch-thick (110 mm) panel an R value of 13.8 (caution: extrapolating R-values over thickness may be imprecise due to non ...

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