What admixture means
An admixture is a chemical added to concrete to change how it behaves: speeding or slowing set, entraining air for freeze thaw resistance, or making it flow without extra water.
Also called accelerator, retarder, air entrainment.
Where it matters on a concrete job
Hot and cold weather pours often need admixtures, which add to the cost per yard. Note them on the order and the estimate.
What it costs
Jobs that involve admixture are priced in the concrete slab cost guide: about $5,100 typical, usually $2,800 to $7,350. The guide shows its sources and what moves the price. The concrete slab cost calculator prices a job line by line.
Work it out
- Free calculator: Concrete slab cost calculator
- Cost guide: Concrete slab cost
- Tools, templates and guides: Free concrete resources