However, you need to beware of the type of surface where you want to spread the mat tatami.
Tatami Platform Bed Frame in Honey Oak - The low platform bed frame is made of 100% solid hardwood Parawood-environmentally friendly wood in satin finish.
The platform bed frame is made of 100% solid hardwood.
Also, others lay the mat on the tatami bed and then a Japanese futon mattress as the last layer.
Japanese platform Bed, also known as Tatami Bed.
Therefore you can spread a tatami on the closely packed slats.