Posted: Oct 25, 2020 8:35 pm
by laklak
What's the substrate? Is it water resistant like what we call "green board" here, or are you using a sealant over regular drywall? If the latter, check to see if they want a specific type of adhesive. For green board pretty much any waterproof adhesive works fine.

Run a bead of clear acrylic bathroom caulk in the groove between panels.