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Basement How To & DIY

Improve the value of your home by discovering our basement step-by-step tips & ideas.

How to Patch a Concrete Floor

Do you have cracks in your concrete floor that need to be patched? For a long-lasting repair, pay close attention to the edges and the mix. Read on to learn how to patch the concrete on your floors.

Wet Basement Solutions: How to Stop the Leaks From Coming

Got water in the basement? Prevent mold and other problems from occurring by using a few simple, low-cost steps.

Basement Waterproofing Tips

Use gutters, a drainage system, and interior waterproofing to keep your basement dry.

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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.

How to Build a Wine Cellar in Your Basement

Need a good place to store wine? Read these steps to building a DIY wine cellar in your basement.

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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.

Sump Pump Installation in Basements, Crawl Spaces, and Exterior Drainage

Prevent basement flooding by installing and maintaining a sump pump.

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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

How to Frame Out Basement Walls

Transform your basement into a more multifunctional space by adding walls.

When & How to Replace Bulkhead Doors

What to use and how to install the outdoor entrance to your basement.

How to Level a Concrete Floor

Get insider tips and a step-by-step guide for concrete floor leveling.

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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 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.

Paint a Concrete Floor to Look Like Tile

A savvy DIYer transforms concrete with a trompe l’oeil pattern

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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

Basement Remodel: Mid-century Modern Guest Suite and Living Area

A finished basement suite entices friends and future grandparents in the best living space redo from the Search for America's Best Remodel 2015

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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

3 Steps to Prevent Basement Leaks

A ruined basement upgrade is never a good surprise. Help prevent leaky mishaps with these 3 easy tips.

An Unfinished Basement Gets a Masculine Makeover

An eerie, partially below-grade storage space becomes a fun and functional getaway for a hardworking dad

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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

Basement Bonus Rooms

16 smart ways to turn dead space into a comfy place for unwinding, entertaining, and working

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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