Foundation Planning

Prepare for your next foundation project by discovering our planning ideas & tips.

S45 E19: Tom Silva and Zack Dettmore install sleepers to the existing addition slab
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How to Install a Sleeper Slab

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.
Illustration of a person and dog balancing on wobbly floors

Buying an Old House? Check for These Costly Repairs

Real estate agent and renovation coach Bruce Irving offers tips for sensing what might be amiss—and costly to fix when buying an old home.
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How to Install a Mudsill

Norm Abram teaches our apprentices Carly and Erick the basics of mudsill installation at our Brookline project
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How To Retrofit a Home for Earthquakes and When To Hire Pros

Read our step-by-step guide on how to retrofit a home for earthquakes so that you can be prepared for this natural disaster. We cover costs, potential savings and more.
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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
Illustration of ground up house framing.

From the Ground Up House Framing: A Comprehensive Guide

A strong house frame will extend your home's lifespan. Learn how to build a durable house frame from the ground up in this guide.
Strong foundation for a home being put down.

All About Strong House Foundations

We share what it takes to have a strong building foundation for your house, from materials to use to the costs you can expect.