No use of nails and glue, free floatig installation.
The surface is resistant to water, means that you can wash your floor like a tile floor. This also mean you can install the BMT Flooring in all rooms.
2G is a strong and robust mechanical locking system. The system is preferrably combined with fold-down on the short side for fastest and easiest installation.
However, it can also be used both on long installation.