- Weather Requirements
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Weather and temperature limitations. The curing of prime coat depends upon the weather. Prime coat may be omitted in cold weather because prime materials cure slowly at low temperatures.
- Prime should not be applied unless the air temperature in the shade and the pavement temperature are 10 oC (50 oF) and rising
- Warm to hot weather is best. Higher temperatures help prime material cure faster.
- Dry air is better. Humidity and moisture in the form of condinsation will slow cure rate.
- No rain in 48 hours. Rain can cause material to run into waterways.
The photo shows the results of rain on a prime coat before it has broken and cured.
- 50 Degrees and falling air temperature.
- Rain in forcast in next 48 hours
- Freezing temperatutes in next 48 hours
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