What would cause that?

Is your baseboard by your shower or bath tub discolored and or swelling?

Baseboard discoloration and or swelling could be caused by a few things; make sure you use your shower curtain properly by placing the plastic liner INSIDE the bathtub. Check your seal on your shower door. Make sure you have a bath mat to soak up any excess water when you exit the shower. Hope these tips help you and please visit us again!