Replace damaged weatherstripping or flashing by removing the old and attaching new weatherstripping with screws or adhesive.
Sliding door gap at bottom.
Sliding doors slide best when a uniform gap is maintained along the edges and bottom of the door.
Close the screen door.
However in the second area there is a gap that leaks air.
Most sliding doors have a mechanism called an adjusting screw located at the bottom of the door ends.
The door sweep attached to the expander bar should barely brush the doorsill with the.
Adjust the expander bar down to close the gap between the screen door and the doorsill.
Weatherstripping and flashing are rubber insulators located on the bottom of the sliding door that secure the gap between the threshold and bottom of the door.
If the door becomes even harder to open turn the screw in the opposite direction.
If you ve noticed a large or small gap on the bottom.
The first area the patio doors fit perfectly.
Turning this screw raises or lowers the roller.
Give the screw a clockwise turn and test to see whether the door slides easier.
I had a contractor install sliding patio doors in 2 different areas in my house.