Dear James: I try to keep the bathroom as clean as possible, but the caulk around the bathtub and shower stall is black. Can you tell me how to clean the caulk or how to replace it if that is ...

Silicone seal, the white rubbery substance found around sinks, showers and bathtubs, can be a real challenge to clean. While mould can't grow on the waterproof sealant itself, moisture can accumulate ...

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 ...

Mould, which thrives in damp environments, frequently invades the corners of showers and is particularly stubborn when it settles on silicone sealants. This white lining that seals off gaps around ...

Question: I try to keep the bathroom as clean as possible, but the caulk around the bathtub and shower stall is black. Can you tell me how to clean the caulk or how to replace it if that is necessary?