A hydraulic cement-based, self-leveling topping, resurfacer and underlayment for both indoor and outdoor jobsites. Cures to a light off-white color Ideal for floors that are stained, integrally ...
Like ARDEX K 520, launched earlier this year, ARDEX K 521 is a self-leveling topping used for fast track resurfacing, smoothing or leveling of various indoor concrete and certain non-porous surfaces.
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