DOE OSTI · 1860054
Energy efficient soundproofing window retrofits
Abstract
Described herein are window retrofits including a monolithic silica aerogel slab having (i) an average haze value of <5% as calculated in accordance with ASTM standard D1003-13 and (ii) a U-factor of <0.5 BTU/sf/hr/° F., and a transparent polymer envelope sealed at an internal pressure of ≤1 atmosphere, wherein the monolithic silica aerogel slab is encapsulated in the transparent polymer envelope. The monolithic aerogel slab can have a transmittance >94% at 8 mm thickness. The window retrofit can be bonded to a glass sheet.
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Wang, Evelyn N., Chen, Gang, Zhao, Xuanhe, Strobach, Elise M., Bhatia, Bikramjit S., Zhao, Lin, Yang, Sungwoo, Weinstein, Lee A., Cooper, Thomas A., Lin, Shaoting. 2021-11-09. Energy efficient soundproofing window retrofits. https://www.osti.gov/biblio/1860054
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