Foundations
What underpinning a house involves and when it is needed
Underpinning a house involves extending a failing foundation deeper into firm soil. Learn how piers and concrete support your home and what engineers require.
Last revised October 22, 2026
How slabs, crawl spaces and basements carry a house, what cracks and settling really mean, and which fixes hold up.
Underpinning a house involves extending a failing foundation deeper into firm soil. Learn how piers and concrete support your home and what engineers require.
Find out which settling house cracks are normal and which mean your foundation has structural problems requiring a professional inspection.
Slab, crawl space and basement house foundation types all carry the weight of your home down a load path to rest safely on solid ground.