Concrete floor slab – random cracking in exposed slab

Cause

Shrinkage cracking if concrete slab is not kept sufficiently wet during the curing process 

Repair

  • for minor cracking that is not increasing, leave floor as is 
  • for larger cracks or if they appear to be  getting wider, contact a chartered professional (structural) engineer for advice 

Cause

No or an insufficient number of shrinkage control joints (saw cuts) in the floor slab

Repair

  • for minor cracking that is not increasing, leave floor as is 
  • for larger cracks or if they appear to be  getting wider, contact a chartered professional (structural) engineer for advice 

Cause

Building movement or ground settlement 

Repair

  • for minor cracking that is not increasing, leave floor as is 
  • for larger cracks or if they appear to be  getting wider, contact a chartered professional (structural) engineer for advice