Lift-and-slide door is whistling - is this normal?

Name: Lift-and-slide door is whistling - is this normal?
Rating: 4.5 (4 reviews)

2017-10-29 18:26:48

See the attached video. Is it the same with you?

See video upload (which was not possible here directly)

[MEDIA=youtube]LGMsdBeus2k[/MEDIA]

2017-10-29 19:28:20

That is certainly not normal.

2017-10-30 10:23:05

Stalking definitely helps.