Typically this is the result of dirt or debris inside the sill track.
My patio door is hard to open and close.
My patio sliding glass door is heavy to close open i have cleaned and spray wd40 on rail but become heavy again quickly.
A sticking sliding door may seem like a minor inconvenience but it gets to be a real big pain sooner rather than later.
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I hate it and always find the best way to fix it.
I nearly want to break it out lol.
Vacuum again and wipe clean with a damp sponge or cleaning eraser.
Clean the track with a vacuum broom or small brush.
The rollers at the top can also wear down lowering the bottom of the door so that it rubs on the track.
Be sure to open and close the door a few times between steps to loosen up dirt caught in the hard to reach rollers.
Close the screen door turning the handle a few times to lubricate the inner workings of the handle.
It seems work with my glass door.
And love your doggie too.
The area under the door appears to be clean but i never removed the door since the pella door appears to be very heavy it is 10 years old.
Plus if you let the problem proceed it could damage other parts of your patio door which can end up being costly to repair or you might have to replace the whole door.
The glass door keeps sticking is the world problem man.
I live in new england and i find it extremely hard to open and close the door when it is very cold 10 to 15 degrees but when temp is above 30 it works fine.
If the door is still difficult to open and close after cleaning a dry silicone spray or other lubricating product may be used so the doors slide through the track more easily.
Open the screen door with one hand and spray a door lubricant into the locking mechanism.
It annoys me everyday when i try to open to get out of the house and go to work.
Adjusting the rollers on your anlin sliding patio door anlin windows doors.
Sometimes patio doors become hard to open even when the track is clean.
But not sure if i did it correctly.
I adjusted the roller a bit but didn t help.
While you re at it try these 13 quick cleaning tips.
Fix your sticking hard to open close door with armor all duration.
I ll try this 3 in 1 oil.
I see there is a gap between track and bottom edge of the door.
In these cases the problem is usually that the rollers at the bottom of the door have started to rub against the track.