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Duct Wrap Insulation - Thermal Resistance

Heat flow thermal resistance of unfaced and faced duct wrap insulation.

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Thermal resistance to heat flow for faced and unfaced duct wrap insulation:

Duct Wrap Insulation - Thermal Resistance
Insulation
Density
(lbs/cu.ft)
Insulation
Thickness
(in)
R-value Installed
(h ft2 oF / Btu)
UnfacedFaced
50 1 1/2 3.6
2 4.8
3 7.3
75 1 2.6 3.8
1 1/2 3.9 5.0
2 5.2 6.3
3 7.8 7.5
100 1 2.8
1 1/2 4.2
2 5.6
150 1 3.0
1 1/2 4.5
  • 1 h ft2 oF / Btu = 0.18 m2 oC / W
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  • Insulation

    Heat transfer and heat loss from buildings and technical applications - heat transfer coefficients and insulation methods to reduce energy consumption.

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