Q: My landlord’s novice repair person caulked around the bathtub — twice. Both times, the caulk pulled away from the wall. Why? And what’s the right way to do it? A: New caulk doesn’t stick well to ...

In this video, I demonstrate how to recaulk a shower by removing old, moldy caulking and applying new caulk to achieve perfect lines. Tools featured include silicone caulking, a caulking gun, and ...