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Basement Videos

These This Old House videos showcase all of our basement projects, how-tos, and designs.

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How to Repair a Damaged Carrying Beam

Ask This Old House general contractor Tom Silva teaches a homeowner how to repair some structural problems in his home.

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How to Frame Walls for a Basement Room

Partitioning off a below-grade space with This Old House general contractor Tom Silva

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How to Frame Out Basement Walls

This Old House general contractor Tom Silva shows how to fur out concrete basement walls to get them ready for drywall

S5 E14, Richard Trethewey shows how to unclog various drains
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How to Clear a Clogged Drain

In this how-to video, This Old House shows various ways to clear household clogs

Tom Silva teaches Kevin O’Connor how to waterproof a basement
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How to Waterproof a Basement

In this how-to video, This Old House general contractor Tom Silva solves wet basement problems.

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How to Install a Basement Laundry

Ask This Old House plumbing and heating expert Richard Trethewey helps a homeowner install a washer and dryer in his basement

S4 E10, Richard Trethewey installs a utility sink
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How to Install a Utility Sink

In this how-to video, This Old House plumbing and heating expert Richard Trethewey installs a utility sink

Sump pump
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How to Stop Your Basement From Flooding

Afraid of water in the basement? Avoid a flooding disaster with damage-prevention specialist Michael Milligan.

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Hydraulic Cement for Leaky Basements

Using the right product for patching holes where water seeps in will save you a trip back with a wet vac and a sump pump.

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Why Are These Foundations Crumbling?

Ask This Old House mason Mark McCullough investigates a strange issue happening to foundations in the Northeast

Keep Basements Mold-Free

Planning to create or redo a below-grade living space? Finished basements are vulnerable to damage from storm-water intrusions, leaking pipes and hot-water tanks, or simply high humidity. Lower the risk of mold or mildew taking hold by remodeling with materials made to shake off damp conditions

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How to Switch Basement Lighting

Ask This Old House master electrician Scott Caron helps a homeowner add switching to basement lights that used to be controlled by a pull string

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How to Replace Basement Bulkhead Doors

This Old House general contractor Tom Silva helps a homeowner install a new pair of basement bulkhead doors

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How to Install a Basement Bathroom

This Old House plumbing and heating expert Richard Trethewey shows how to rough-in the drainpipes for a basement bathroom

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How to Install a Drain Pump for a Basement Sink

Draining water from below-grade plumbing with This Old House plumbing and heating expert Richard Trethewey

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How to Install a Dehumidifier Pump

This Old House plumbing and heating expert Richard Trethewey shows how to replace a faulty pump

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How to Prevent Household Plumbing Leaks

Looking for water damage points with This Old House host Kevin O'Connor and damage prevention specialist Michael Milligan

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How to Install a Battery-Operated Backup Sump Pump

This Old House plumbing and heating expert Richard Trethewey shows how to keep a basement dry—even when the power goes out

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How to Insulate a Basement

This Old House general contractor Tom Silva shows how to warm up a chilly concrete wall

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Installing a Basement Sump Pump

This Old House general contractor Tom Silva demonstrates how involved putting in a sump pump can be

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Prepping Basement Walls for Drywall

This Old House general contractor Tom Silva reviews his best practices when building out walls on a concrete foundation

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How to Install a Water-Powered Sump Pump

This Old House plumbing and heating expert Richard Trethewey shows how to install an emergency backup sump pump

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How to Install a Sump Pump

In this how-to video, This Old House general contractor Tom Silva shows an effective way to combat basement flooding

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How to Replace a Basement Window

In this how-to video, This Old House general contractor Tom Silva puts in a new basement window