Meaning & use
Laitance
Last updated
A weak, milky layer of fine particles and cement that rises to the surface of freshly poured concrete.
See it in a sentence
Workers removed the laitance from the concrete slab before applying the finishing coat.
Excess laitance can weaken the bond between concrete layers if left untreated.
A note on using this word
Laitance forms mainly when too much water is used in the concrete mix, causing lighter particles to float to the top as it sets.
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