Glass run channel

A glass run channel is a groove, normally made of rubber or plastic, that is found around windows (most commonly car windows).^[1][2][3][4] The primary purpose of a glass run channel is to provide a seal for the window.

A car with the locations of the glass run channels highlighted in red

A 250 mm glass run channel cleaner

Cleaning

Due to the channel's narrowness, glass runs can be difficult to clean (or free from small obstructions like glass chips) without the use of a specialised cleaner.^{[5][unreliable source?]}

See also

• Automotive weatherstripping