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A. For a layer thicker than 1/4 in (6 mm) use either wet shotcrete applied Spray-Con WS ST or hand applied Fibre-Patch OV. If only a thin section is required, use Cem-Kote Flex CR. Depending on hydrogen sulfide concentration, the layer of Spray-Con WS ST may have to be coated with Cem-Kote Flex CR.
