Ask This Old House — Episode 8: Circular Saw 101; Outdoor PEX Faucet; Cabling an Oak Tree

You are watching the episode Circular Saw 101; Outdoor PEX Faucet; Cabling an Oak Tree Up in the loft, general contractor Tom Silva gives host Kevin O'Connor a few lessons on the proper use of a circular saw. Then, plumbing and heating expert Richard Trethewey installs a new outdoor faucet for a homeowner using flexible plastic tubing called PEX. Then Richard, along with Tom, Kevin and landscaping contractor Roger Cook ask, "What is it?" And arborist Matt Foti prevents a tree from splitting in half by installing steel cables and through-bolts to hold it together.