Metzger/McGuire Spal-Pro RS 88 Rapid-Set Polyurea Joint Filler | Gray Area 2025

Metzger McGuire Spal-Pro RS 88 Concrete Floor Protectant is a rapid setting polyurea polymer liquid of 100% solids content. When cured, Spal-Pro RS 88 is a gray, rubberlike solid with a hardness of Shore A88-92. Spal-Pro RS 88 was developed to fill and protect trafficked industrial and retail concrete floors. Its primary function is to support such traffic and protect joint edges. Spal-Pro RS 88 is tended for use where final temperatures are from 32F (0C) to +120F (49C).

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