When you log into Buildingsurplus.com, you will remain logged into the site as long you
continue to be active (navigating between pages, marking payments, sending messages, etc.). After 2 weeks of inactivity, Building Surplus will end your session and you will be prompted to sign in again to access your account.
You also have the option to stay logged into Buildingsurplus.com from your computer for a 2 week period. From the Sign In page, click the box next to Keep me signed In for 2 weeks. If you have your browser settings configured to delete your cookies when the browser window is closed, you will not able to use the feature.