Caulking is one of the easiest and most affordable home fixes. By sealing off unwanted cracks around windows, doors, showers, and more with a bead of waterproof filler, you’ll be able to prevent home ...

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 ...