Schönox SEZ Plus

Rapid-Setting Sand Cement Screed and Trench Filler: Non-sagging, rapid-setting sand cement screed for filling trenches or concrete voids to depths of 10″. Perfect for use as aggregate with all Schönox cementitious self-levelers. Ready for covering after approximately 24 hours at 2″ and up to 72 hours at 2″ prior to installing wood floor, cork, or rubber. For interior use only.