It is important that water not be allowed to pool next to your foundations becuase excessive moisture ingress can cause cracking. While your minimum slab level will be determined by your civil engineer, it is generally preferable to raise the slab if your budget allows, because higher slabs tend to be better at repelling water … Continue reading How high should my slab level be to avoid drainage problems?
Slab heave, or excessive cracking in your slab, walls and ceiling, occurs when the foundations move significantly. It can be extremely costly to rectify, costing tens of thousands or in rare cases, hundreds of thousands of dollars to fix. Causes include poor design or construction plus moisture ingress or reactive clay soils. Filled sites, which … Continue reading What is Slab Heave, How Do I Prevent It?