TRUE-SCREED CLUHigh-strength, portland cement-based floor underlaymentCompressive strengths up to 6,000 psiFormulated for use over concrete subfloors in commercial and institutional buildingsQuick drying timeMeets and exceeds ASTM F710 Request More Info Fill out the form below to request more information about TRUE-SCREED CLUSpec & Compare.More From Hacker Industries IncConcrete Flooring Products & Equipment May 2009Products and equipment for concrete contractors doing concrete flooring, grinding and polishing.FIRM-FILL CMD