Thickness is the number everyone asks about and the one that matters least on its own. Here's the whole picture in plain language.
Thickness follows load
Foot traffic, stored equipment, and vehicles are three different demands. A pad that carries a truck needs more than a pad that carries a lawn mower — and going thicker doesn't fix a bad base.
Reinforcement does the other half
Rebar or mesh doesn't stop concrete from cracking; it holds it together when it does, so the slab keeps acting as one piece. That's why we won't skip it to hit a lower bid.
The base under it
A compacted, well-drained sub-base is what keeps a slab from settling. Most failed slabs we're called to replace failed underneath, not on top.
Control joints
Concrete will move. Cut joints decide where it cracks. Skip them and the slab picks its own line, usually across the middle.
The short version
Spec the load first, the base second, the reinforcement third — thickness falls out of those.
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