ConcretersinTeaTreeGully
Tea Tree Gully's north-east foothills carry reactive clay that moves slabs without proper footing design. We connect you with concreters who assess soil class before quoting and design footings to AS 2870.
Reactive clay and footing design in Tea Tree Gully
Tea Tree Gully spans a wide range of soil classes. The flat suburbs (Modbury, Ridgehaven, Banksia Park) carry Class S to M soil profiles. The foothills sections (Houghton, Inglewood, Cudlee Creek on the outer fringe) move into Class M and H reactive clay territory.
Class M clay in Tea Tree Gully swells in SA's winter rainfall season and contracts sharply during summer drought, sometimes producing 15 to 20mm of vertical movement under an unsupported slab. Slabs designed to AS 2870 for Class M soil use a stiffened raft or screw pile footing that absorbs this movement without cracking the slab surface.
Network concreters in Tea Tree Gully identify the soil class at the quote stage and design footings accordingly. The footing type and depth appear as a line item on the itemised quote.
Services available in Tea Tree Gully
- Concrete slabs - AS 2870 footing design for reactive clay
- Driveway concreting
- Concrete repair - settlement diagnosis and rectification
- Exposed aggregate
- Decorative concrete
Neighbouring areas: Campbelltown, Salisbury, Adelaide Hills.