Description
Keystone is a type of concrete paving stone that is used especially in outdoor floor coverings and forms a solid surface by interlocking. Keystone is often produced in a variety of shapes and patterns and is designed to provide a uniform floor covering. Keystone is a preferred material in a variety of outdoor floor coverings, offering both aesthetic and functional advantages. The special locking system of the stones provides a long-lasting and regular coating.
| Length | Height | Width | Unit M²/piece | Weight M²/kg |
| 20 cm | 8 cm | 16 cm | 35 | 180 |
| 20 cm | 6 cm | 16 cm | 35 | 150 |
