Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications!

Duct Wrap Insulation - Thermal Resistance

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

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

Duct Wrap Insulation - Thermal Resistance
R-value Installed
(h ft2 oF / Btu)
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

Related Topics

  • Insulation

    Calculate heat transfer and heat loss from buildings and technical applications. Heat transfer coefficients and insulation methods available for reduction of energy consumption.

Related Documents


Search is the most efficient way to navigate the Engineering ToolBox.

Engineering ToolBox - SketchUp Extension - Online 3D modeling!

3D Engineering ToolBox Extension to SketchUp - add parametric components to your SketchUp model

Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with older versions of the amazing SketchUp Make and the newer "up to date" SketchUp Pro . Add the Engineering ToolBox extension to your SketchUp Make/Pro from the Extension Warehouse !

Translate this Page

Translate this page to Your Own Language .

About the Engineering ToolBox!

Privacy Policy

We don't collect information from our users. More about

We use a third-party to provide monetization technologies for our site. You can review their privacy and cookie policy here.

You can change your privacy settings by clicking the following button: .


This page can be cited as

  • The Engineering ToolBox (2014). Duct Wrap Insulation - Thermal Resistance. [online] Available at: [Accessed Day Month Year].

Modify the access date according your visit.

3D Engineering ToolBox - draw and model technical applications! 2D Engineering ToolBox - create and share online diagram drawing templates! Engineering ToolBox Apps - mobile online and offline engineering applications!

Unit Converter