They are used

Sockets are profiled under the cross section of the skirting board, they are produced in the form of detachable rings. If you look at them disassembled, you can see two parts that have a groove fastening system in a groove. They are used in order to bypass heating pipes and other similar elements, as well as to cover the gaps between different pipes and elements and floor. They are made of wood and heat -resistant plastic, found from chipboard.