Advantage

1- Flat ceilings are available in this slab because there is no beam in the middle of the cell.

2- The height of the room is more available.

3- Do not obstruct the reflection of light.

4- The beauty of the room increases.

Disadvantage

1- This slab design method is more complex than the one-way slab.

2- Skilled workers are needed.

3- The construction cost is relatively high.