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  1. Wiring a Second Basement Light Switch with 14/3 Cable

    Published: 11 Oct 2026

    A master electrician helps a homeowner whose basement lights are all on pull chains, with one switch at the top of the stairs controlling only the bottom light.

  2. Insulating Basement Walls with 2 in. XPS Foam Board and Tape

    Published: 31 May 2026

    Josh shows how to insulate basement block or poured concrete walls with 2 in. Owens Corning FOAMULAR NGX XPS rigid foam board.

    Call a pro?
    DIY is fine
  3. Replacing a Water Heater Anode Rod That Has Fully Corroded Away

    Published: 4 Jan 2026

    Richard from Ask This Old House helps a homeowner replace the anode rod on an eight-year-old water heater.

    Call a pro?
    DIY is fine
  4. Rim Joist Insulation: Batts, Foam Board or Two-Part Spray Foam

    Published: 7 Dec 2024

    Jeff compares three ways to insulate a basement rim joist in a 1974 home: batt insulation alone, rigid foam with spray foam and batts, and a two-part spray foam kit.

    Call a pro?
    DIY is fine
  5. Insulating an Old Basement: Slab, Walls and Rim Joist Moisture Control

    Published: 16 Nov 2024

    Explains how to insulate and air seal an old basement while controlling condensation: slab treatment with epoxy or a dimple mat, taped rigid foam or closed cell spray foam on walls, floating or…

  6. Furnace Filter Changes: Arrow Direction, MERV Ratings and Timing

    Published: 15 Feb 2024

    An HVAC tradesperson with 30 years of furnace experience lists five furnace filter mistakes: hard-to-grab old filters, not turning off power, installing the filter backward, not changing it often…

    Call a pro?
    DIY is fine
  7. Planning a Basement Renovation: Water, Permits and Layout

    Published: 31 Oct 2023

    A live show on planning a basement renovation, covering function, layout, permits and drawings, wiring, insulation, soundproofing and plumbing.

    Call a pro?
    Permit or a pro may be required
  8. Closet Built-ins From 3/4 in. MDF: Grooved Shelves in 5 Hours

    Published: 17 Mar 2023

    Clayton of The Weekend Builder builds closet shelving units from 3/4 in. MDF using grooves routed into the side pieces, glue and brad nails.

  9. Framing Basement Walls: Stud Length, Plates and Anchoring

    Published: 22 Dec 2022

    Part 2 of a basement finishing series shows how the creator framed his basement walls with a pressure-treated bottom plate, a top plate and studs 16 in. on center.

    View project: How to Finish a Basement
  10. Basement Stair Remodel Over Carpet Stairs With Pine Plywood Treads

    Published: 11 Nov 2022

    A homeowner turns a carpet-stripped basement staircase into a finished one by laying 1/4 in. pine plywood treads over the existing treads, adding routed pine bullnose nosing, then staining and…

    Call a pro?
    DIY is fine
  11. How GFCI Receptacles Sense 5 Milliamps and Protect Other Outlets

    Published: 29 Oct 2022

    Master electrician Heath Eastman explains to Kevin O'Connor how ground fault circuit interrupters work, sensing a current difference as small as 5 milliamps.

  12. Basement Build: Foam Under the Slab, Link-Seal and Strapping

    Published: 24 Sep 2021

    Matt Risinger and builder Wade Paquin walk through three details for building a better basement: two inches of closed-cell spray foam under the slab and up the walls, Link-Seal gaskets to waterproof…

  13. Rebuilding a Tiny Basement Shower on a Concrete Slab With Tile

    Published: 18 Jan 2021

    A 25-year-old phone-booth shower in a finished basement is torn out and rebuilt on a concrete slab with a Schluter pan system, a PEX-connected mixing valve, an overhead rain shower, and 12x24…

    View project: Basement Shower Makeover
  14. Basement Stairs Makeover With Oak Plywood Treads for Under $200

    Published: 8 May 2020

    The creator turns unfinished basement stairs into finished ones for under $200 over 3 days.

  15. Insulating Basement Concrete Walls with Foam Board and a 1×3 Grid

    Published: 4 Nov 2014

    Tom Silva shows how to prepare bare concrete basement walls for wallboard.