Though caulk often lasts for years, it doesn't stick around forever. If yours has become discolored, has developed cracks, or has begun to separate, it's time for a new application. Before you can lay ...

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?

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 ...

Whether you are caulking a new joint or replacing worn-out caulking, the only difference will be in the prep. The Prep! It’s not all in the prep, but any good caulking project starts there. Begin all ...

Dear James: As hard as I try to keep it clean, there continues to be some dark mildew on the bathroom caulk. Should I just remove the old caulk and redo it? — Nick H. Dear Nick: You can continue to ...

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 ...