Going out of town for the holidays? Get tips to make sure your home is safe while you’re away. Learn step-by-step instructions for repairing crumbling mortar in brick or stone work from the experts at This Old House. Also find out which materials hold up best for this project. Get info on a very energy efficient water heater for your home that will pay for itself in a few short years. Plus get answers to your home improvement questions about, laminate flooring, installing radiant heat, cleaning walls after removing wallpaper, best insulation for your project, removing mold on shower doors, solving dishwasher malfunction , benefits of solar panels and correcting a dryer vent problem.