Andy started to hang the backer board a few weeks ago, but the last piece we bought was faulty and needed to be returned. After we got a replacement piece he was able to add the last piece on the left site and fill in the gaps around the niches in the wall.
He applied fiberglass backer board tape to all of the joints.
And the filed all of the screw holes and seams with thinset.
We also settled on a paint color for the master bathroom. The color on the right is a Sherwin Williams color called Jogging Path.