DIFF Subgroup
E04F 15/181 Full Title
Flooring (stair treads E04F11/104; coverings not specially adapted for floors E04F13/00; borders, skirtings E04F19/02; gratings for cleaning soles of footwear A47L23/24; of similar materials to roads E01C; basic or rough floors E04B5/00) > Separately-laid insulating layers; Other additional insulating measures; Floating floors (insulating of buildings in general E04B1/62)