Replace existing curtains with insulating thermal curtains.
Insulate sliding glass door track.
Dirt gravel or other debris may prevent the door from sliding and sealing optimally.
If your sliding glass doors run on a track keep the track clean.
How to insulate sliding glass doors.
Keep the door track clean and free of debris.
If rocks gravel and clumps of dirt have fallen into the threshold the door may not be set correctly on the track.
The panel should sit on the floor and extend above the top of the door frame.
When debris gets trapped in this track or on the wheels it can cause holes in the natural insulation of the sliding doors.
Vacuum away any pebbles or larger debris.
Step 2 caulk the sliding doors.
The sliding doors have small wheels on them that fit on a track in the unit.
This allows cold air in or air conditioned air out.
Measure the sliding door and decide how tall and wide to make your insulating panel.
Patio door insulation kit contains 2 sheets of 84in x 112in shrink plastic film and 2 rolls of 0 5in x 39ft double sided tape heavy duty and crystal clear for indoor patio doors and large windows 3 9 out of 5 stars 30.
Caulk around the edges of the sliding glass doors.
It should extend beyond the side of the window and either be wide enough to cover the entire door or stop where the door starts and just cover the non opening part of it.
Use a rag dipped in warm water to remove any dirt from the bottom of the wheels the window or the track.