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Modern concrete countertops can cost a fraction of what other traditional countertops cost. Learn how to make them with Kevin O’Connor.

Plumbing and heating expert Richard Trethewey asks host Kevin O'Connor, general contractor Tom Silva, and landscape contractor Roger Cook to guess what this golden fist is. Featuring a guest appearance by presidential historian Doris Kearns Goodwin

Ask This Old House plumbing and heating expert Richard Trethewey walks host Kevin O’Connor through the choices in air conditioners.

Watch as This Old House landscape contractor Roger Cook helps a homeowner originally from Holland plant authentic Dutch bulbs.

Miter saws are an essential tool for most builders and craftsmen. In this episode of Tool School, Norm Abram and Brian Sedgeley demonstrate several useful features of the Kapex KS 120, including the mobile base, extensions, and micro adjustments for the miter, bevel, and depth.

Woodworkers have used loose-tenon joinery for hundreds of years to make strong, accurate miters and other connections. But instead of cutting mortises by hand, the Domino System uses a unique rotating and oscillating bit. In this episode of Tool School, Festool’s Brian Sedgely and Norm Abram use the Domino DF 500 to align and cut mortises of different widths for fast and precise assembly

Builders need to make quick, accurate cross-cuts for framing and many other carpentry projects. In some ways, the Festool HK 55 Carpentry Saw is like a circular saw with a built-in speed square. In this episode of Tool School, expert Brian Sedgeley and builder Jeff Sweenor use the saw to cut the rafters for an 8-pitch roof

Like many builders and woodworkers, Jeff Sweenor often uses a large band saw to make curved cuts. But in this episode of Tool School, Brian Sedgeley from Festool shows Jeff how to achieve the same level of precision with a portable Carvex jigsaw

Not all random orbit sanders are created equal. In this episode of Tool School, Festool expert Brian Sedgeley shows Tom Silva how the two different sanding modes and dust extraction capability of the Rotex RO 150 can achieve great results

Track saws are more popular than ever on jobsites and in workshops. In this episode of Tool School, Festool trainer Brian Sedgeley and Tom Silva demonstrate how to use several features of the TS 55 track saw to get accurate, splinter-free cuts

Ask This Old House general contractor Tom Silva shows a U-shaped orange tool with LED lights—but what is it?

Choosing the right fertilizer can be overwhelming, and we can help you narrow dow your choices. Read our guide on how to choose the right synthetic or organic fertilizer.

Ask This Old House general contractor Tom Silva discusses the options for insulation with host Kevin O’Connor.

Ask This Old House host Kevin O’Connor helps a homeowner apply a paint to her kitchen tile backsplash. Follow our step by step guide for your own project.