Aggregate Construction

The damage to the slabs appears to be from the affects from the use of ice-meltThe heaving pictured is a natural event compounded by excessive water under-slabs and long term freezing resulting in upward movementThere is no defect in workmanship or quality of material and warranty isn't applicable in either referenceThe proper inquiry would have been to contact your building contractor rather than try and bully a subcontractor into a repair by fictitious claim