Foundation Videos

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.

Mark repoints a crumbling fieldstone foundation; Tom discusses the proper disposal techniques for oily rags; and instead of scraping, Mauro smooths over a textured ceiling

Norm Abram teaches our apprentices Carly and Erick the basics of mudsill installation at our Brookline project

Ask This Old House mason Mark McCullough repoints a homeowner's crumbling fieldstone foundation and explains how you can do the same.

Ask This Old House mason Mark McCullough investigates a strange issue happening to foundations in the Northeast

Have a crumbling exterior wall that needs to be repointed? Follow our guide to repoint your brick yourself with basic hand tools.

Replacing crumbling, missing mortar with This Old House general contractor Tom Silva.

This Old House general contractor Tom Silva shows how to fix a crack in a home's foundation to avoid further issues.

This Old House general contractor Tom Silva demonstrates how to repoint a stone foundation by saving a crumbling mortared-rock wall.