WALU LOCK is the only cover of safety 100% automatic and 100% comfort.
It is adaptable to all the types of already existing basins or to build.
Several types of rails (on and under curbstones) offer multiple combinations
to answer all the configurations.
Rolling up and unfolding are ensured by a hydraulic engine,
without adjustment of race end and power supply near the basin,
for more reliability and of safety.