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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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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 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.

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

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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 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

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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 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 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 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

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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 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 Clear a Clogged Drain

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

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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

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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