Black stains on silicone sealants are most likely mould and can be triggered by elevated moisture levels, inadequate air ...

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 ...

Q. I want to replace a lot of caulking around the outside of my house, especially around windows and doors where I suspect there are air and water leaks. Much of the old caulk is cracked, discolored ...

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 ...

It's unsightly, smells bad, and can affect your health. So what's the best way to get rid of black mould on silicone sealant?

Q: Our 1920 house has semi-textured lath-and-plaster walls. In one room we used a steamer to remove wallpaper but damaged the thin layer of drywall compound that had been applied to smooth out the ...

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?