QDEAR BARRY: Our water heater and forced-air furnace are installed on the same raised platform in our garage. Recently, the water heater began leaking and had to be replaced. Our main concern ...

Drying up an oily wall Originally published March 19, 2010 at 7:01 pm Updated March 19, 2010 at 9:01 pm Homefix: Dwight Barnett answers home-improvement questions.