Looking After the Glass in Your Patio Door
Most sliding door advice is about rollers and tracks. The glass has its own set of problems, and the way people clean it is often what causes them.
Why doors fog between the panes
A double-pane unit is two sheets of glass with a sealed gap between them. When that seal fails, humid air gets in and condenses. That is the haze you cannot wipe off from either side.
Nothing fixes it once it starts. The glass unit gets replaced. The frame, track and rollers usually stay exactly where they are.
What kills the seal early
- Cleaner pooling along the bottom edge of the glass
- Pressure washing the door
- Blocked frame drainage, so water sits against the seal
- Years of Florida sun on an unshaded west-facing door
The first one is the most common and the easiest to avoid. Spray the cloth, not the glass, and keep liquid off the edges.
Condensation on the room side
Water on the inside surface is different, and it is not a failed seal. That is warm humid air meeting cold glass, which in Florida usually means the air conditioning is doing its job.
Wipe it up. If it happens constantly and you are getting mildew on the frame, the room needs better airflow.
Small chips are worth dealing with
A chip on the edge of tempered glass is a weak point. Thermal stress and door movement can turn it into a crack, and tempered glass does not crack politely.
Keeping the frame drainage clear
Sliding door frames have small weep holes at the bottom to let rain out. When those block with grit, water backs up inside the frame and sits against the seal.
Check them when you vacuum the track. Clearing them takes seconds.
Need a hand?
Stuck Door repairs sliding glass doors across Orlando and Central Florida. Rollers, tracks, locks and glass. We are family owned, licensed and insured, our parts carry a two-year warranty, and phone estimates are free.
Call or text (407) 900-9412, or send us a message.