Soil Heave

Does Your House Need Underpinning? When It Is Necessary and When It Is Not

A crack shows that something has moved. It does not show that a footing has failed. This guide covers when underpinning is the right repair, when it is the wrong one, and what evidence to demand before agreeing to permanent work.

Illustration of a cracked brick house supported on screw piles installed beneath its footings.

The Impact of Soil Heave on Backyard Spa

Soil heave severely damaged a Craigieburn homeowner’s backyard spa after heavy rains. This case study shows how improper installation led to structural issues and offers practical advice for protecting backyard spas.

Artistic illustration of soil heave impact on a backyard spa