Automatic swing doors are very practical. They close securely and are easy to install. Normally manual doors are automated without complication,but swing doors increase convenience and provide barrier-free access for the disabled.Automatic swinging doors are available in different varieties such as single leaf, double leaf, fully automatic, or low energy. You can install these doors as new or you can also modify your manual doors into automatic swing doors. http://whyautomaticdoorsareapracticalchoice.blogspot.co.uk/