First carefully clean all debris from the rails to get a good fit.
How to install aluminium sliding door.
Then have a friend help you lift the first section of the sliding door.
Add caulk to the bottom edge of the opening and firmly.
Learn how to install a sliding patio door.
Create a sill pan to fit in the opening using roll flashing.
Home improvement expert ron hazelton will show you the basic steps required to remove your old door from the open.
Install the sliding glass panels and handle.
Repeat with the second section of the sliding door.