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Limitations

HD-150 cannot be applied over paint or other coatings. It must be applied to bare concrete only.

When using HD-150 in temperatures above 75F (25C), care must be taken to prevent premature drying of the Hi-Dry treatment (i.e. when curing, more than three sprayings per day may be required). Hi-Dry must not be applied in temperatures below 35F (3C) or if temperatures are expected to fall below that level within a 48 hour period.

The HD-150 coating cannot not be submerged under water for 12 days after application (including curing period). Therefore, ponds and water tanks should not be filled for at least 12 days.

Where strong hydrostatic pressures exist, it may be necessary to apply more than one coat of HD-150. Also, concrete block can vary widely in quality, porosity and cement content. Therefore, more than one coat may be required for concrete block


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