Aerogel-Render (image) Swiss Federal Laboratories for Materials Science and Technology (EMPA) Share Print E-Mail Caption Aerogel-Render is sprayed on with a professional rendering machine and then smoothed out. In the next step the soft render will have to be protected with a tough surface layer. Credit Fixit AG Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.