A glass run channel is a groove, normally made of rubber or plastic, that is found around windows (most commonly car windows).TA HU ENTERPRISE CO LTD, Taiwan Glass Run Channel, retrieved 20 April 2012.US20060064936A1, Shiraiwa, Masaki, "Glass run channel for vehicle and glass run channel assembly for vehicle", issued 2006-03-30 The primary purpose of a glass run channel is to provide a seal for the window.
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.Amazon, Sealey WK0300 - Glass Run Channel Cleaner 250mm, retrieved 2 July 2025.
See also Automotive weatherstripping
References