Buildings -- Pushing the Envelope (IMAGE) DOE/Oak Ridge National Laboratory Caption ORNL's online tool provides builders a fast and efficient way to assess the performance of a building's envelope design before construction begins. Credit Oak Ridge National Laboratory, US Dept. of Energy Usage Restrictions None License Licensed content 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.