Tape for sealing joints in plywood?

[Restoration man]

I have stripped a small shower room back to the posts. Plan is to insulate and sheet with 12mm plywood. Then hardie backer board for the tile areas and 14mm wood linings for the rest.

Is there any tape I can use to seal the ply joints?

Thanks

 

[endecotp]

Why do you want to seal them?

 

[Restoration man]

Just for air really because they back on to the eaves on one side. I will be tanking the shower area so that will cover some of the joints.