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Pentra-Sil® (AC) Alkalinity Control Treatment & Primer is specifically designed for use on sweating floors as a pre-treatment for Pentra-Sil. The unique treatment will neutralize substrate surfaces suffering from alkalinity problems. It reduces sweating of the concrete surface, neutralizes surfaces treated with sodium or potassium silicates and reduces vapor drive that carries the alkaline salts to the surface of the concrete.
High pH levels at the surface of concrete can attract moisture as Mother Nature acts to equalize an existing pH imbalance by drawing moisture from the concrete slab towards the surface or from the air above the slab. Pentra-Sil® (AC) can greatly reduce this phenomenon. This treatment is aggressively worked into the pre-cleaned surface where it is allowed to penetrate deep into the substrate to control surface alkalinity. By impregnating the surface with Pentra-Sil AC™, the substrate surface is brought towards a more neutral state. (For serious problems we recommend a full treatment consisting of C&N, AC, and Pentra-Sil.)