Wooden floor hatches for sports halls
 Floor trap door for sport room: removable reservation hatch
Safety: the centering finger keeps the cover in its initial position each time it is handled.
Economy: the key locks the cover in its housing thus preventing it from being extracted. This key is used to hang the cover up in the technical room while the hatch is in use thus limiting the chances of loss or theft.
Maintenance: in use, the Pioch wooden floor hatch avoids the surround of the opening in the wooden floor deteriorating.
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