Fence contractor Mark Bushway installs a custom PVC fence and arbor. Tile contractor Eric Ferrante creates a marble herringbone pattern in the powder room, while his brother Mark presents the grout color options for the faux slate floor in the mudroom. Tom builds a sliding barn door using salvaged antique wood from the attic. Horticulturist Laurie Sullivan presents alternatives to the usual, run-of-the-mill shade plants. In the second half of the hour, on ASK THIS OLD HOUSE, Tom and Kevin build a simple table from solid fir, and Kevin works with a wood-finishing expert to stain and finish it. Roger shows a homeowner how to get rid of tree stumps. And Richard discusses the state of solar energy.