- Weather Requirements
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Weather and temperature limitations. The curing of bond coat depends upon the weather.
- Bond coat should not be applied unless the air temperature in the shade and the pavement temperature are 10°C (50°F) and rising
- Warm to hot weather is best. Higher temperatures help bond coat 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.
Generally, if you can pave, you can put down tack coat. Often follow the same parameters of HMA
- 50°F and falling air temperature.
- Rain in forcast in next 48 hours
- Freezing temperatutes in next 48 hours
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