From This Old House.

In this video, Part of old addition consists of a concrete slab that needs to seamlessly integrate with the new floor system. Tom Silva helps Zack Dettmore finish the floor framing so the new floor can run over the slab.

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At the Glen Ridge, NJ house, general contractors Tom Silva and Zack Dettmore install sleepers to the existing addition slab to make it level with the new floor system. A rigid insulation board is added for a thermal break.

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About This Old House TV: 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 Sleeper Slab | This Old House
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