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How to Choose a New Toilet Seat

Ask This Old House plumbing and heating expert Richard Trethewey discusses DIY Smarts on the basics of choosing and installing toilet seats.

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How to Select a Bathroom Vanity

From ornate to out-of-the-box, Richard Trethewey explains some DIY Smarts on what to consider when shopping for a new bathroom vanity.

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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.

Ask S5 E7 segment, Richard Trethewey changes a toilet seat
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How to Change a Toilet Seat

This Old House plumbing and heating expert Richard Trethewey and host Kevin O'Connor share tips for removing rusted, stubborn toilet seats

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How to Install a Tub Grab Bar

In this how-to video, create a safer bath with This Old House general contractor Tom Silva

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How to Replace Pedestal Sink Parts

Ask This Old House plumbing and heating expert Richard Trethewey helps a homeowner replace all the plumbing components in his pedestal sink.

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How to Install a Pedestal Sink

Plumbing expert Richard Trethewey makes a challenging bathroom renovation task look easy

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How to Replace a Shower Pan

In this how-to video, This Old House plumbing and heating contractor Richard Trethewey installs a new waterproof shower floor.

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Ceramic Tile Flooring in 9 Steps

Here are simple installation tips on bathroom flooring and floor tile that’ll keep what’s underneath your feet solid and long lasting.

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How to Repair a 3 Handle Shower Faucet

Ask This Old House plumbing and heating expert Richard Trethewey repairs and replaces a leaky shower valve.

Plumbing expert demonstrating how to unclog a bathroom sink.
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How to Unclog a Bathroom Sink

Ask This Old House plumbing and heating expert Richard Trethewey reveals the best ways to unclog a slow draining bathroom sink.

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How to Fix a Shower Faucet

Learn how to replace an old shower valve with a single handle with This Old House plumbing and heating expert Richard Trethewey.

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How to Tile a Bathroom Floor

Installing bathroom floor tiles isn’t a job for beginners. Watch what it takes as contractor Angelo McRae installs a new mosaic-tile floor.

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How to Choose a Bathroom Exhaust Fan

Ask This Old House master electrician Heath Eastman discusses new technology for bathroom vent fans.

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How to Install a Pressure-Balance Shower Valve

Maintaining safe shower water temperatures with This Old House plumbing and heating expert Richard Trethewey

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How to Caulk Around a Bathtub

Ask This Old House general contractor Tom Silva demonstrates the correct materials and techniques required for re-caulking a bathtub

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How to Paint a Mold-Resistant Bathroom

Ask This Old House painter Mauro Henrique paints a bathroom using a mold-resistant paint, in this edition of DIY Smarts.

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How to Replace a Shower Cartridge

Ask This Old House plumbing and heating expert Richard Trethewey travels to Seattle to help a homeowner whose shower runs cold whenever there’s a demand for hot water elsewhere in the house.

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Future House Extras | Space Bathroom

In this web exclusive extra, Ask This Old House home technology expert Ross Trethewey travels to NASA Johnson Space Center to meet with Mike Berrill and see how astronauts use the bathroom in space

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How to Snake a Clogged Drain

Ask This Old House plumbing and heating expert Richard Trethewey shows how to clear a stopped bathtub or shower drain

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How to Drain and Vent a Bathroom Sink

Ask This Old House plumbing and heating expert Richard Trethewey helps add ventilation to a bathroom sink that is unvented.

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How to Rotate a Toilet

Ask This Old House plumbing and heating expert Richard Trethewey helps a homeowner rotate a toilet to a more sensible orientation.

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How to Rebuild a Shutoff Valve

Ask This Old House plumbing and heating expert Richard Trethewey helps a homeowner replace the shutoff valve underneath her kitchen sink

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TOH Know-How: All About Shower Installation

Tom Silva shows us how to get a shower tile-ready using waterproof building panels from Schluter

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Medicine Cabinet | New Yankee Workshop

Norm constructs a Shaker-inspired cabinet from durable red oak and oak plywood. Go to The New Yankee Workshop to see measured drawings for all projects

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Oak Bathroom Vanity | New Yankee Workshop

Norm builds a bathroom vanity inspired by a dry sink he found at a 1790 Shaker house and museum. Go to The New Yankee Workshop to see measured drawings for all projects

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How to Replace a Vinyl Floor with Ceramic Tile

Ask This Old House general contractor Tom Silva helps a homeowner replace the peeling, vinyl floor in his bathroom with a ceramic tile floor

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How to Prevent Bathroom Rust Stains

Ask This Old House plumbing and heating expert Richard Trethewey explains ways to remove rust stains from plumbing fixtures

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How to Upgrade a Bathroom Vanity

Ask This Old House plumbing and heating expert Richard Trethewey installs a vanity for homeowners who gave up on it seven years ago.

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How to Diagnose a Gurgling Sink

Ask This Old House plumbing and heating expert Richard Trethewey shows host Kevin O’Connor the proper way to ventilate a sink

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How to Fix a Wobbly Toilet

Ask This Old House plumbing and heating expert Richard Trethewey helps a homeowner diagnose and repair a wobbly toilet

How to fix a gurgling toilet.
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How to Change a Toilet

Ask This Old House plumbing and heating expert Richard Trethewey gives some DIY Smarts and shows the basics of changing a toilet.