Carportempire steel garages can be ordered with spring loaded, manual chain driven doors, electric sectional doors. Our garage doors can be insulated or non insulated wind loaded or non wind loaded depending on your local building codes. We can also color match the exterior color of your steel garage with our doors. We recommend going with electric sectional if you will be using your garage every day. Just for the convince for the average weekenders our chain driven manual doors should suit the average consumer just fine with our gear reduction system, it makes opening a breeze. Door sizes ranging from 6×7 all the way up to 20×14 as pictures show building with windows is an electric sectional other building with green trim is a standard chain driven door.