Keep lowering the panel until it is completely out of the upper track and free.
How to remove a aluminum sliding door.
If you can t undo it with a manual screwdriver try a power screwdriver.
Sliding door tracks handles and frames are composed of aluminum for strength and resiliency.
This will allow you to fold the cut piece up towards the side jamb and pry it and the jamb right out.
Aluminum surfaces resist corrosion allowing sliding doors to last longer than other materials.
If your door frame was nailed as well to the house frame you will have to do a bit more work.
What you can do to avoid prying and causing damage to the frame is to use a centre punch.
Exposure to dirt and debris though causes aluminum components on sliding doors to become dingy and discolored over time.
Open the door and locate the head stop screw at the top corner of the door frame right where the door would touch the frame when it closes.
4 removing the sliding door before removing the door slide it to the point in the track where you see an indent.
Then tilt it slightly with help and remove it from the upper track of the door frame as well.
Unscrew the head stop with a power or phillips screwdriver.
This screw may be tightly fixed.
Use a hacksaw or reciprocating saw if you have one to cut the track in half.
Use a centre to punch the centre of the nails on the frame so you get a slight indentation started there.
Sliding patio doors have two separate units namely the sliding door panel and the stationary panel.
Do the same thing to the other half.