Concrete and flatwork · Lubbock, TX
Fiber mesh vs rebar for concrete in Lubbock
Fiber helps control surface cracking. Rebar holds cracked sections together under load. Many jobs use both.
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The difference
Fiber (synthetic fibers mixed into the concrete) reduces small shrinkage cracks while the slab cures. Rebar or wire mesh doesn't stop cracks from forming. It holds the pieces level and tight together once they crack, which matters on soils that move and under heavy loads.
When each fits
- Patios and walks on stable ground: fiber, or fiber plus light mesh, is common
- Driveways: rebar on chairs is common, often with fiber
- RV pads, shop slabs, and approaches: rebar sized for the load
- Near playa clays: rebar plus good base prep and drainage
What to check
- Rebar sits on chairs mid-slab, not on the dirt
- Spacing is written on the quote
- Joint layout matches the slab size