snake-skinning
n.— «Snake-skinning is a major cause for such stoppages. Snake-skinning is a term used to describe a situation where particles within a conduit adhere to the insides and eventually clog a section of ducting to cause a blockage.» —“Duct cleaning—don’t factor it, avoid it” Ferrett.com.au (Chatswood, New South Wales, Australia) Oct. 5, 2006. (source: Double-Tongued Dictionary)