Concrete leveler flattens an uneven interior slab in one pour: prep, prime, mix with the exact water ratio, then spread and level it before it sets.
For the full breakdown, see our best Concrete Leveler guide.
A wavy concrete slab doesn’t need to be ripped out — concrete leveler flattens it in one pour before your new flooring goes down. Concrete leveler is a cementitious, self-leveling underlayment that smooths low spots and slopes on an interior subfloor; used correctly, it turns a wavy slab into a flat, level base for tile, hardwood, or vinyl.
Two things decide whether a pour succeeds: proportions and