Ask This Old House - Season 19

Tom Silva helps two homeowners build a two-level deck from start to finish.

In this episode, Richard and Ross Trethewey explain why, when, where, and how to prevent major plumbing failures.

In this special episode of Ask This Old House, Roger Cook, Jenn Nawada and Mark McCullough explain best practices for installing or repairing a walkway; Mark helps a homeowner install a new walkway using natural stone.

Jenn Nawada explains how various climates across the United States impact the design, care, and maintenance of different landscapes, which includes discussing USDA Hardiness Zones and native plant species.

In this special episode of Ask This Old House, Tom Silva and Kevin O'Connor explain everything you need to know about using, installing, maintaining and repairing a window.

In this special episode, we'll share some of the features we've added to homeowners' houses over the years and we'll break down the process of adding one of these to your own backyard.

In this special episode of Ask This Old House, Tom Silva and Mark McCullough tell you everything you need to know about fireplaces; Tom builds a custom mantel for a homeowner; Richard Trethewey discusses fireplace inserts; Mark replaces the hearth of a fireplace with granite.

Jenn Nawada discusses Christmas trees; Richard Trethewey explains what can and can't go down a garbage disposal after holiday dinners; Heath Eastman helps a homeowner safely install a variety of Christmas lights.

Nathan Gilbert helps a homeowner turn a reclaimed beam into a fireplace mantel; Richard Trethewey shows how to change a bathroom faucet; Ross Trethewey explores innovations to geothermal installations.

In this episode, Master Electrician Heath Eastman installs landscape lights in a garden and Richard Trethewey explains how siphons work. Then, Tom Silva organizes tools with pegboard, and Mark McCullough helps a homeowner redo his walkway.

Jenn demonstrates how to clean up a garden; Ross explains how air filters can catch unwanted air impurities and demonstrates how to build a DIY one; Tom and Kevin build an Adirondack chair.

Richard replaces a weird shower valve with a conventional pressure balanced one; Mauro repaints a radiator cover with lead paint on it; Tom explains how to identify and remove load-bearing walls.

Richard explains how a mini split unit is installed; Jenn explains how to identify Japanese maple trees and how to incorporate them in a landscape design; then Nathan installs a butcher block countertop.

Watch as Mark installs precast concrete steps, Mauro paints a table, and Heath installs a new lamppost.

Ross explores ways that landscaping could be done automatically; Mark goes over different walkway and driveway deicers and how they might impact masonry products; Tom and Kevin build a modern bench.