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DIY Smarts

Every month, Ask This Old House and The Home Depot will present a practical home improvement project—from maintenance and repairs, to enhancements and how-to’s—complete with video demonstrations, straightforward instructions, and a handy shopping list to get you started.

S20 E27, Nathan Gilbert mounts a flat-screen TV
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How to Mount a Flat Screen TV

In this DIY Smarts project, This Old House carpenter Nathan Gilbert walks host Kevin O’Connor through everything he needs to know about mounting a TV.

S20 E24, Tom Silva fixes a sagging gate
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How to Fix a Sagging Fence Gate

In this DIY Smarts project, This Old House general contractor Tom Silva helps a homeowner solve an all-too-common issue: a sagging fence gate.

S20 E23, Jenn Nawada plants a window box
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How to Build Window Flower Boxes

In this DIY Smarts project, This Old House carpenter Nathan Gilbert and landscape contractor Jenn Nawada build and plant custom window boxes for a colorful touch of curb appeal.

S20 E16, Nathan Gilbert installs vinyl plank flooring
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How to Install Vinyl Plank Flooring in a Kitchen

In this DIY Smarts project, Carpenter Nathan Gilbert helps a homeowner replace a dated vinyl kitchen floor with modern vinyl plank flooring to complete an updated look.

S20 E10, Tom Silva sets up a kids’ workshop
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How to Set Up a First-Time Workshop

In this DIY Smarts, general contractor Tom Silva helps a young woodworker set up her first workshop.

S20 E12, Richard Trethewey replaces a tub drain
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How to Replace a Tub Drain

In this edition of DIY Smarts, plumbing and heating expert Richard Trethewey helps a homeowner with an old 1950s bathtub replace the tub drain assembly when the current one stops plugging the tub.

S20 E5, Heath Eastman installs recessed lights
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How to Install Recessed Lighting

Do you have a room that can benefit from recessed lighting? Brighten up your home by installing this simple fixture that can make a huge difference. Watch this DIY Smarts project, as This Old House master electrician Heath Eastman installs recessed lights in a homeowner’s playroom.

S20 E6, Tom Silva shingles a shed roof
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How to Install Shingles on a Shed

In this DIY Smarts project, general contractor Tom Silva shows a homeowner the proper way to reshingle an old shed’s roof.

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Installing a Dishwasher in an Old Kitchen

In this DIY Smarts, Ask This Old House plumbing and heating expert Richard Trethewey and carpenter Nathan Gilbert team up to help a homeowner retrofit a new dishwasher into an old kitchen.

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How to Build a Custom Fence Gate

Ask This Old House Carpenter Nathan Gilbert helps a homeowner build a custom fence gate to keep his kids safely in the backyard.

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How to Replace a Deck Joist Hanger

Ask This Old House carpenter Nathan Gilbert helps a homeowner repair her deck by replacing rotted hangers and re-securing the joist to the structure.

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All About Growing Echinacea

Ask This Old House Landscape Contractor Jenn Nawada explains how to identify and care for echinaceas. She also shares a variety of ways to incorporate them in a garden.

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How to Clean Vinyl Siding

In this DIY Smarts, Ask This Old House painter, Mauro Henrique, goes over all of the basics of using a power washer to clean exterior vinyl siding.

Summer 2021 Ask TOH, butcher-block countertop
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How to Install a Butcher Block Countertop

In this DIY Smarts project, Carpenter Nathan Gilbert helps a couple replace their laminate countertop with butcher block. Then he demonstrates how to apply a mineral oil finish to it.

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How to Replace a Bathroom Faucet

Need to update your bathroom sink faucet? Watch this DIY Smarts as Ask This Old House plumbing and heating expert Richard Trethewey demonstrates how to replace a bathroom faucet.

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How to Safely Hang Outdoor Christmas Lights

In this DIY Smarts, This Old House Master Electrician Heath Eastman helps a homeowner safely install a variety of Christmas lights.

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How a Frozen Pipe Bursts

In this DIY Smarts, Ask This Old House plumbing and heating expert Richard Trethewey demonstrates how and why frozen pipes burst.

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How to Refinish a Fireplace with Brick Veneer

In this DIY Smarts project, Ask This Old House mason Mark McCullough replaces a homeowner’s sloppy fireplace surround with a clean, thin brick veneer.

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How to Hang a Sliding Barn Door

In this DIY Smarts project, Ask This Old House carpenter Nathan Gilbert travels to Birmingham, Alabama to install a sliding barn door in an open-concept loft apartment.

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How to Clean Tile Grout With Homemade Cleaner

In this edition of DIY Smarts, Ask This Old House general contractor Tom Silva offers cleaning tips on how to get rid of dirty tile grout using only household supplies.

Building a fire pit from a kit
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Building a Fire Pit from a Kit

Ask This Old House mason Mark McCullough installs a fire pit kit in this DIY Smarts project.

How to build a self-watering vegetable garden
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How to Build a Self-Watering Vegetable Garden

In this DIY Smarts project, Ask This Old House landscape contractor Jenn Nawada travels to Raleigh, North Carolina to help a couple build and plant a self-watering vegetable garden.

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How to Choose a Good Paint Roller

In this DIY Smarts, Ask This Old House painter Mauro Henrique explains the different types of paint rollers and then demonstrates good rolling techniques.

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How to Tighten a Loose Newel Post

In this edition of DIY Smarts, Ask This Old House carpenter Nathan Gilbert travels to a Sears kit house in Richmond, Virginia to tighten an old, loose stair railing.

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How to Refinish Worn Out Stair Treads

In this edition of DIY Smarts, Ask This Old House carpenter Nathan Gilbert demonstrates how to refinish stair treads.

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Build It | Tool Storage Shelf

In this edition of DIY Smarts, Ask This Old House general contractor Tom Silva and host Kevin O’Connor build a tool storage shelf out of leftover lumber from other Build It projects.

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How a Heat Pump Clothes Dryer Works

Ask This Old House plumbing and HVAC expert Richard Trethewey tests out a new dryer in our DIY Smarts series that uses a heat pump to dry the clothes.

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How to Install a Dining Room Chandelier

In this DIY Smarts, Heath Eastman installs a chandelier in a homeowner’s dining room.

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How to Install Winter-Proof Planters

In this DIY Smarts, Ask This Old House landscape designer Jenn Nawada installs a front entry planter for a homeowner that will last through the winter.

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How to Install a Gas Clothes Dryer

In this edition of DIY Smarts, Ask This Old House plumbing and heating expert Richard Trethewey helps an expectant couple select and install a gas dryer.

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How to Install Your Own DIY Security System

In this DIY Smarts, Ask This Old House home technology expert Ross Trethewey installs a DIY security system.

Jenn Nawada helps to replace and improve foundation plantings
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How to Plant Hardier Foundation Plantings

In this DIY Smarts, Ask This Old House landscape designer Jenn Nawada helps a homeowner replace and improve foundation plantings that have been crushed by snow piles.