E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
E04F13/00—Coverings or linings, e.g. for walls or ceilings
E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
E04F13/08—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
E04F13/0801—Separate fastening elements
E04F13/0832—Separate fastening elements without load-supporting elongated furring elements between wall and covering elements
E04F13/0833—Separate fastening elements without load-supporting elongated furring elements between wall and covering elements not adjustable
E04F13/0846—Separate fastening elements without load-supporting elongated furring elements between wall and covering elements not adjustable the fastening elements engaging holes or grooves in the side faces of the covering elements