Ask This Old HouseSeason 182019 · 26 episodesEpisodes1Sliding Barn Door, Dry WellNathan travels to Birmingham, Alabama to install a sliding barn door in an open-concept loft apartment. Tom compares the qualities of different types of roofing materials. Ross explains the culprit behind damaged solar panels and how to prevent future damage. Mark installs a dry well for a homeowner with drainage issues in his backyard.2Nursery Paint, Record StandMauro paints a baby’s nursery using zero VOC paint. Richard tests out a new dryer that uses a heat pump to dry the clothes. Tom and Kevin build a record player stand out of oak plywood.3Radiator, Fireplace VeneerMark replaces a homeowner's sloppy fireplace surround with a clean, thin brick veneer.4Ductless Humidifier, PlantersThe uses and purposes for different types of screws. Installing a whole house ductless humidifier. Changes to electric bill payment structures. Installing a front entry planter.5Built-in, Dining Room LightRepairing an old dining room built-in with hand tools. Home inspection nightmares. Installing a chandelier in a dining room.6Women's Repair Class; GardenA women's only do-it-yourself class; selecting and installing plants for a terraced garden; how homeowners and contractors should communicate about expectations for home improvement projects.7Switch; Affordable GeothermalReplacing a standard toggle switch with an antique push button switch; affordable geothermal heat pumps.8Polybutylene; Squeaky DoorIndoor air quality; replacing polybutylene piping with conventional PEX; drop cloths; different methods for silencing a squeaky door.9Cable Railing; Painting ShuttersReplacing a stair railing; upgrading a door to make it look more modern; cleaning and painting vinyl shutters.10Beehive Oven; Jimmy DiRestaRestoring a beehive oven; failure points in toilet tanks and how to repair them; building a metal coat rack.11Stoop Planters; Fireplace InsertBuilding a hexagon planter; reviving a stoop; home inspection nightmares; installing an electric fireplace insert.12Ceiling Light; Tool StorageInstalling a ceiling light; installing the temperature rating system for ceiling lights; the uses for different types of trowels; building a tool storage shelf.13Loose Railing; Smart ThermostatNathan tightens a railing; Mauro strips paint off hardware; Richard upgrades a thermostat.14Weird Shower Valve; Mossy RoofRichard replaces a shower valve with a conventional pressure balanced one, Nathan demonstrates how to refinish stair treads, and Tom removes moss from a roof in the latest episode of Ask This Old House.15Indoor Garden; Fireplace HearthPlanting an indoor garden; the basics of using a hole saw; replacing a common terra cotta hearth with slate tile.16Dog Dish Stand; Gas LanternUsing a mobile CNC routing machine; building a dog dish stand using power tools; different methods for wiring a portable generator to a house.17Cherry Blossoms; Mount RushmoreThe Ask This Old House team travels to and appreciates different national parks and makes a few house calls.18Custom Screen Door; Paint TrimRoss tests out some new smart lighting configurations, while Tom helps a homeowner build a custom screen door. Richard gives general advice on maintaining a washing machine, and Mauro teaches a homeowner techniques to paint old 1960s wood trim with a varnish on it.19Ground Wire; Fireplace DoorsKevin works with Jenn Largesse to demonstrate a technique on a trim router. Heath grounds an outlet, while Mauro explains paint rollers and demonstrates rolling techniques. Mark then replaces fireplace doors.20Pedestal Sink; Grout CleaningIn this episode, Richard helps a homeowner replace components of his pedestal sink, and Heath discusses bathroom vent fans. The team shares home inspection nightmares, and Tom explains how to clean dirty tile grout.21Paver Patio; Shoe RackMark helps a couple install a concrete paver patio; Jenn discusses the common elements she includes in outdoor kitchen designs; Tom and Kevin build a combination bench/shoe rack out of fir decking.22Cedar Shingles; Vegetable GardenIn this episode, Tom explains the architecture, installation, and maintenance of white cedar shingles. Richard repairs a hose spigot, and Jenn builds and plants a self-watering vegetable garden.23Mantel; Too Many Light SwitchesIn this episode, Richard tests a faucet, and Mark installs a mantel. Ross and Mauro discuss why and how to remove cigarette smell from a home. Then, Heath connects 4 separate switches that control 6 lights in the same room.24Pantry Doors; Reflective ShingleNathan installs bypass doors for a pantry; Richard tests different smart automatic water shutoff valves; Ross explores asphalt roof shingles that can reflect some of the sun’s heat.25Quartz Countertops; Firepit KitKevin learns how quartz countertops are manufactured and installed. Nathan explains how to hang and display a U.S. flag, and Tom and Jenn split firewood. Then, Mark installs a fire pit that comes in a kit.26Shower Cartridge; Turning a BowlNathan shows Kevin some old drywall paneling he found, and Richard teaches a homeowner how to clean her shower cartridge. Tom teaches Kevin the basics of using a lathe, and then they turn a bowl together.Season 1Season 2Season 3Season 4Season 5Season 6Season 7Season 8Season 9Season 10Season 11Season 12Season 13Season 14Season 15Season 16Season 17Season 19Season 20Season 21Season 22Season 23Season 24Season 25