Ross Trethewey tests out some new smart lighting configurations; Tom Silva helps a homeowner build a custom screen door to fit her unique front entryway; Richard Trethewey gives some general advice on maintaining a washing machine; Mauro Henrique teaches a homeowner some techniques to paint old 1960s wood trim with a varnish on it.
Jenn travels to Washington D.C. to see the Cherry Blossom Festival and then helps a homeowner select and plant a cherry tree for his own house; Mark learns about how Mount Rushmore was built and demonstrates various techniques for cutting stone; Nathan visits Abraham Lincoln’s house in Springfield, IL. Then, he helps a homeowner to replace his traditional mortise hardware with hardware that locks.
Nathan demonstrates a mobile CNC routing machine; Tom teaches a young woodworker how to build a dog dish stand using primarily power tools; Heath explains a few different methods for wiring a portable generator to a house; Richard travels to St. Louis to install a gas lantern on an original 1890s home in a historic neighborhood; Ross gives an update on an app he discussed on the show previously.
Jenn installs a unique kind of indoor garden for a homeowner who wants to grow vegetables year round; Richard demonstrates how and why frozen pipes burst; Tom explains the basics of using a hole saw; Mark replaces a common terra cotta hearth with slate tile.
Richard travels to Salt Lake City to replace a shower valve he has never seen before in his career with a conventional pressure balanced one; Nathan demonstrates how to refinish stair treads; Tom helps a homeowner remove moss from his roof and prevent it from growing back.
Nathan travels to a Sears kit house in Richmond, Virginia to tighten an old, loose stair railing; Mauro demonstrates how to strip paint off of old door hardware; Heath explains the uses and purposes of different types of electrical boxes; Richard replaces an old thermostat with a smart thermostat without replacing the original two wires in the wall.
Nathan Gilbert demonstrates a sanding kit with different profiles on it to make hand sanding easier; Heath Eastman clarifies the temperature rating system for ceiling lights and then installs one for a homeowner; Mark McCullough explains the purposes and uses for different types of trowels; Tom Silva and Kevin O'Connor build a tool storage shelf out of leftover lumber from other Build It projects.
Mark explains the history and function of colonial-era beehive ovens and then restores one in a house built in 1750; Richard explains the failure points in toilet tanks and how to repair them; maker Jimmy DiResta invites Tom to his shop for a welding lesson and to build a metal coat rack.
Tom Silva travels to Utah to help a homeowner replace his traditional stair railing with more modern cable railing; Richard Trethewey explains why standard PVC should not be used to vent gas appliances and what should be used instead; Nathan Gilbert upgrades a standard, flat panel hollow core door to look more modern; Mauro Henrique helps a homeowner properly clean and paint her vinyl shutters.
Ross and Richard Trethewey discuss indoor air quality, what it is, and how to measure it; Richard travels to Richmond, Virginia to help a homeowner replace her polybutylene piping with conventional PEX; the team shares more Home Inspection Nightmares; Mauro Henrique explains which type of drop cloth he selects for which project; Tom Silva explains different methods for silencing a squeaky door.
Heath Eastman replaces a standard toggle switch with a reproduction antique push button switch to match the rest of the house; Ross Trethewey travels to Albany, New York to explore ways to make drilling for and installing geothermal heat pumps more affordable for average homeowners.
Tom Silva checks out a women’s only DIY class on building a footstool and discusses some of the unique challenges faced by women learning DIY skills; Jenn Nawada helps a homeowner select, place, and install plants for her terraced garden; the team discusses the ways homeowners and contractors should communicate to set appropriate expectations for home improvement projects.
Tom Silva repairs an old dining room built-in with hand tools and a bar of soap; the team shares more home inspection nightmares; electrician Heath Eastman makes his first house call to install a chandelier in a homeowner’s dining room.
Tom explains the uses and purposes of different types of screws; Richard travels to Park City, Utah to install a whole house ductless humidifier; Ross and Richard discuss changes to electric bill payment structures; Jenn installs a front entry planter for a homeowner that will last through the winter.
Jenn teaches Kevin how to plant a small herb garden with a cocktail theme; a homeowner’s radiator sprung away from the pipe when he tried to replace the valve, so Richard heads to his house to help him reconnect it; Mark replaces a homeowner’s sloppy fireplace surround with a clean, thin brick veneer.
Mauro 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.
Nathan 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.