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.