How to Install a Dog Door for a Large Dog | This Old House

Kevin O’Connor helps Tom Silva build the Arlington family dog Soleil her own special door from the mudroom to the sideyard. Why does she need her own door? Soleil is a 125-pound Newfoundland

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Soleil is the Arlington homeowners 125-pound Newfoundland dog and she used to have her own door to go outside before the renovation. Homeowners Emily and Nick decided to install one in the mudroom wall, but it can’t go in the ideal place (under the window) because that’s where the outdoor stairs are located. Using the dog’s shoulder height measurement, Tom Silva has started a rough opening by cutting out some studs in the wall and building a new header. The header sits on a stud on the right and a new jack stud on the left to make sure it can carry the load above. Then Tom puts the insulation back in and fills the void with expanding foam before putting in one more jack up against it. He cuts the rough opening through to the exterior—first the two sides and then the header. Kevin O’Connor makes the final bottom cut from the outside, which is pitched two inches lower so that any water will run away from the house. After the drywall is back in place, they install the door kit—with saloon style door panels—and Soleil gives it a test.

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This Old House is America’s first and most trusted home improvement show. Each season, we renovate two different historic homes—one step at a time—featuring quality craftsmanship and the latest in modern technology. We demystify home improvement and provide ideas and information so, whether you are doing it yourself or hiring out contractors, you’ll know the right way to do things or the questions to ask. Our experts including general contractor Tom Silva, plumbing and heating expert Richard Trethewey, landscape contractor Jenn Nawada, master carpenter Norm Abram, and host Kevin O’Connor give you the tools you need to protect and preserve your greatest investment—your home.

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How to Install a Dog Door for a Large Dog | This Old House
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