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Question DetailsAsked on 10/10/2016

When i th best time to pave driveway in New Jersey?

It is now October i

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Opinions vary, and of coursde local climatic conditions control it some - generally the Asphalt Institute says ground surface should be 50 degrees or above and air temp 50 degrees, or in extreme situations 40 degrees and rising in the work day. Very high temps (above about 90) can make the driveway "soft" and harder to compact but generally, other than extending the time it should be stayed off of to avoid wheel rutting and parking wheel dimples, high temps don't really affect asphalt as much, and extends the working time for the mix.


Note many contractors do put asphalt down at near and even below freezing temps, but your quality can be expected to suffer - especially as most do not remeasure the asphalt mix temp and stop work when it drops below good placement temp (which can be anywhere from about 110 to 350 degrees depending on mix design). That is one key reason not to work below 45-50 degrees - because even if the product placement might go OK, if the temp drops too low VERRY few contractors will stop or send back a part truckload that is too cold. Also, especially with concrete, temps in the frost zone require protection and heating of the pavement, and freezing in the first 7 days can cause serious damage to it - hence the normal 50 or 60 degrees minimum placement air temp requirement for concrete.


Concrete generally same rules - some recommend 60-90 degrees as the desired air and ground temp during placement.


You can google for normal max and min temps in your area for October - most areas near the coast will probably be fine to near the end of the month or even beyond - some of the North Jersey and hilly (mountains to them) areas temps are already getting into the questionable range. One way you can get a handle on reasonable conditions - call the city or county road department and see what date or temperature they are cutting off routine paving work this year.

Answered 2 years ago by LCD




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