Question-and-Answer Resource for the Building Energy Modeling Community
 | 1 | initial version |
You can try this link which stats the Thermal Conductivity of common Materials and Gases.
Better option would be to use OpenStudio to import constructions from the Building Component Library then you can export it to IDF in order to import it into E+.
Accessing the Building Component Library requires registration; Follow the OS installation instructions to do that.
