Adjust all four screws until the door opens and closes without too much drag and any drafts have been eliminated look for light between the sweep and the threshold with the door closed.
How to stop a draft on top of sliding door.
Hopefully you stay warmer this winter with these tips for winterizing your sliding glass doors.
Otherwise your house would explode.
Any air that leaks in through your sliding glass door must push air out somewhere else from your house.
Turn the screws clockwise to lower the threshold and counterclockwise to raise it photo 5.
Open the patio door so the sliding door is in front of the stationary section.
As you reach the open part of the door have a friend brace the movable door so it doesn t tip out.
Weatherstrips are an inexpensive way to help seal drafty doors and windows.
Start removing the header screws from that end.
Again this is not fool proof but it helps a little.
Blocking the direct force of the wind from blowing against your sliding glass door helps considerably.
Basic weatherizing and some insulation will go a long way toward stopping drafty sliding doors.
By tightening up the rest of your house you may find that it feels less drafty near your sliding glass door.
Apply weather strips to the inside and outside of the door jamb where the door slides to latch.
Then remove the entire header strip.
Every penny saved counts and helps the environment.