This video shows a bottle of water (soon to be sand), some nylon string and a small pulley and you have an Automatic Sliding Patio Door. Really great for your dogs.
Choosing Patio Doors
As a homeowner, the choice you make in your patio doors will have a huge effect on the décor, functionality and even energy efficiency of your home.
The patio doors are always a focal point of the inner and outer style and beauty of your home and the right selection can change the ordinary into something extraordinary.
Taking the time to consider how the various design options will affect the functionality of your patio and living situation. There are swinging, bi-parting and sliding patio door options and all have their special benefits. When it comes to choosing your materials, economy and energy-efficiency will come into play.
Choosing the right patio doors for your situation will add style and beauty, while also adding to the functionality of your home.