In order of likelihood your sticky problem can exist due to the following reasons.
Patio door difficult to slide.
First all you need to do is simply give the sliding door track a good scrubbing.
When the tracks aren t clean it can cause your sliding door to stick.
Once the patio door track is nice and clean lubricate the track with a silicone based lubricant spraying.
A homeowner s first thought may be to fix it themselves and depending on the problem it may be possible.
There is another possible reason that the door is hard to open.
Over time the sliding glass door track accumulates dirt and grime.
Getting your patio door to slide better.
If a sliding door has become difficult to open there may be a problem with the track or the door itself.
The track acts as a guide for the door and also allows roller wheels to help the door run smoothly.
All it takes is a screwdriver.
The most common cause of a sticking patio door is debris in the lower track.
Dirt mud hair and fur can collect along the track and in the groove which clogs the rollers underneath and prevents smooth motion.
Failure at any one of these locations can cause it to stick or prevent it from opening at all.
Dirty tracks are one of the most common causes for a sliding door sticking.
According to this old house debris build up is the main reason for a sliding door that refuses to glide.
This slows down your door considerably.
All too often these big pesky contraptions stubbornly resist opening and getting outside becomes about as easy as dragging a refrigerator through a sandbox.
Many patio door sills have an aluminum track that the rollers glide on.
Troubleshooting a sticky sliding patio door clean the track.
Sliding door tracks are magnets for dirt dust pet hair bugs grass food crumbs you name it.
Remove the door from the track.
Here s how you can clean the rollers and the track.
Clean the sliding glass door track.
Luckily this is a very easy fix.
Standard sliding glass doors all have tracks.
Patio doors slide horizontally or at least they re supposed to.
Sliding glass patio doors are relatively simple machines but they contain a few moving parts.
Debris or dried liquid blocking the tracks.
Over time it s very likely that your sliding door has gotten dirty and the tracks become clogged and blocked.
Aluminum is low maintenance but it is a soft metal and over time the track gets a rut in it from being worn down.
Be sure to brush down both sides of the track as well as help scrub out the dirt that exists in the middle move the door along the track to expose the front scrub move the door back to the closed position scrub and so on.