I’ve always loved doing plumbing because it’s a very interesting three-dimensional challenge to install drain, waste and vent piping in a new home or a large remodeling job. Because I was also the ...

Dear Pat: I want to add another lavatory to an end of my house. My house is built on a slab, and there is no plumbing there. How do I go about adding the plumbing for the toilet and the sink? -- Erika ...