Foundation movement at the garage
Uneven ground pushes on concrete slabs, causing cracks and sinking.
Morayfield 4506 · 9 June 2026
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In short: Uneven site grading and reactive soil, recorded in Morayfield.
The slope
The ground should fall away from the house, not push down on the garage slab.
What we observed
Morayfield builds on soil that shifts with moisture. We see movement at garage corners often.
Reactive soil
The land in Morayfield sits in the Burpengary Creek catchment. Water changes the soil, moving the house.
Drainage issues
Heavy rain or poor guttering sends water to the garage floor. The slab then expands and cracks.
The fix
Install proper drainage and regrade the land so water flows away from the garage.
Written by our local inspection team from work carried out in Morayfield. Licensed building practitioners.
