FIELD: construction.
SUBSTANCE: invention relates to panels for wall, ceiling or floor coatings. Panel has an upper side, a lower side and end faces, which define the periphery of the panel in the installed state. At least one end is protruding relative to said periphery due to presence of removable protruding bead formed on lower side. Panel has one groove for horizontal locking located on the lower side. Protruding bead has a predetermined separation surface. Besides, this invention relates to methods of making such panels.
EFFECT: technical result consists in improvement of reliability of connections.
22 cl, 6 dwg
Authors
Dates
2020-09-03—Published
2017-07-18—Filed