Table 4: Comparison between fiberglass, conventional silica aerogel, and Maerogel.

MaterialThermal conductivity (W/mK)Acoustic absorption (dB)Average cost (US$)

Fiberglass0.0345–0.0040~50.2–2.8/m2 [126]
Monolithic silica aerogel0.0136–0.0038~153800/m3 [126]
Monolithic Maerogel0.0200–0.099~15~750–900/m3