Ask This Old House Season 19

In this special episode of Ask This Old House, Tom walks two homeowners through the entire process for building a two-level deck, starting with pulling permits and getting a land survey all the way through to installing the deck boards and railings.

Richard explains how, where, and why plumbing systems fail; Richard gives a deep dive on when and how plumbing pipes and connections can be repaired or replaced; Ross explains and demonstrates how to prevent plumbing failures with new technology.

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

In this special episode of Ask This Old House, Jenn 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.

Tom and Kevin explain everything you need to know about using, installing, maintaining and repairing a window.

Jenn and Roger install a variety of different water features to accentuate landscapes; Roger installs an alternative to a downspout; Jenn installs a waterfall feature in a backyard that reuses water.

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

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

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

Heath installs landscape lights in a garden; Richard explains how siphons work and how they are used to make a toilet work; Tom organizes tools with pegboard; Mark 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; Nathan installs a butcher block countertop.

Mark learns how precast concrete steps are made and then replaces a homeowner's steps; Mauro explains how to refinish an old table; Heath helps a homeowner replace his front lamppost with a new one.

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.

Tom travels to Nashville to turn an original, exterior door into a Dutch door; Richard explains how to install a garbage disposal; Mark and Jenn reface a concrete wall with thin stone veneer.

Tom explains how different sanders work and how to sand well; Mauro shows how to use a power washer to clean siding; the team share more home inspection nightmares; Heath installs deck railing lights.

Richard moves baseboard heat from one side of a room to another; Jenn explains the basics of selecting different species of arborvitae; Tom and Kevin build an outdoor bench that doubles as a cooler.

Jenn travels to Orlando to upgrade a homeowner's irrigation system with a smart one; Heath explains a few different ways to troubleshoot flickering lights; Mark repoints a set of brick front steps.

Richard explains a variety of failure points in a hose spigot; Mauro demonstrates the how to paint vinyl siding; Jenn explains how and why to maintain pruners; Nathan builds a custom fence gate.

Jenn explains how to care for echinaceas; Mark explains how to cut stone with a saw and chisel; Richard replaces a kitchen sink and faucet; Tom helps a homeowner wrap up a few kitchen projects.

Heath performs an electrical inspection; the team share more Home Inspection Nightmares; Tom helps two homeowners meticulously restore their antique front door using a variety of techniques.

Richard and Nathan retrofit a new dishwasher into an old kitchen; Mauro paints wood paneling; Tom and Kevin turn a French rolling pin.

Richard installs a shutoff valve for washing machine supply hoses; Ross and Heath discuss the progression of EV chargers; Jenn discusses ornamental grasses; Nathan helps a homeowner repair her deck.

Kevin and Tom travel to Montana to set up an accessible home gym for a Navy SEAL veteran; Mauro shares how to select the right paint color; Mark updates a fireplace with a stacked stone veneer.

Nathan builds a display case to store his grandfather's U.S. flag; Heath replaces a circuit breaker; the team shares the ways their trades were affected by the COVID-19 pandemic.

It's summertime and the team are here to help with some fun outdoor projects! Tom travels to Colorado to help a couple build a swing set for their young son; Jenn travels to Raleigh, North Carolina to help a couple build a self-watering vegetable garden that will survive even if they go away on vacation; Mark helps a homeowner build a cost effective firepit for his backyard that comes in a kit.

Not all landscape projects require starting from scratch. Many times, working with plants already there can make a huge impact. In this special episode, Jenn Nawada uses an historic landscape design from a protege of Frederick Law Olmsted to transform a yard. She updates a landscape by moving around, dividing, and pruning current plants in the yard. Finally, she designs a secret garden.