<p>To provide carpet tiles that can be installed more easily and quickly the inventive carpet tiles (1) comprise: a support plate (2); a carpet material (3) on said support plate 2; a first mechanical locking element (4) extending along a first joint edge (8a) of said carpet tile (1); and a second complementary mechanical locking element (5) extending along a second joint edge (8b) of said carpet tile (1).</p>