Extruded tiles.

Extruded tiles. The most expensive of the varieties of polystyrene tiles (about one and a half times more expensive than injective). This material has a smooth surface without visible grain, does not pass moisture and is produced in various color variations. However, this variety of tiles has many disadvantages: it contains a Freon dangerous for the ozone layer; She does not have clear geometric shapes, and the wrong side has an uneven surface, which significantly complicates the installation; In addition, the textured drawing due to the features of the technology is mild. Also, an extruded white tile always has a grayish tint.