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A high quality, cement-based, fiber reinforced, free-flowing underlayment for use in leveling wide variety of interior substrates including concrete, plywood, OSB and more. Rapid setting formula produces a flat, smooth and hard surface for the installation of finished flooring as soon as 12 hours.



55 lb (25 kg) bag;

56 bags per pallet


SKU: 0902-0055-21
    • Suitable surface for most floor goods as soon as 12 hours
    • Can be applied from 1/8" to 1-1/4" and tapered to zero at edges on concrete substrates
    • Can be applied from 1/4" to 1-1/4" on wood substrates
    • Can be applied over plywood, Gypsum and OSB without the use of a metal lath
    • Low-shrinkage
    • High compressive strengths 5300 psi (36.5 MPa)
    • Suitable surface for most finished floor goods
    • Can be applied directly over concrete testing at RH of 100% or less per ASTM F2170
    • Pumpable
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