Everything You Need To Know About Crack Filling

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If you need to fill in a crack in pavement or asphalt, then you might think the process would be very simple. In fact, there are a huge number of factors to consider when filling in cracks, enough to warrant the services of a professional paving contractor. Here are some of the considerations that must be made:

According to the University of Texas, there are six criteria which should be met in order to proceed with a crack filling.

Climate: an ambient temperature around 50-60 degrees Fahrenheit is ideal for sealing a crack. The procedure should also be conducted in winter, when cracks are open and more easily penetrable.

Safety: filling a crack can be quite dangerous work, with the temperatures involved reaching over 350 degrees. Proper attire must be worn and the area must be cordoned off in order to protect the safety of the public.

Traffic: while this may seem obvious, it is crucial that both foot and automobile traffic are considered. Work should be done during off-peak hours in order to minimize the impact. Proper guidelines must be followed in obstructing traffic, which may vary depending on your state.

Crack Maintenance: if cracks are not cleaning prior to filling and sealing, then the entire process is very likely to fail. There are several methods available for cleaning cracks, most of which require the help of a professional. 

Backer Rod: in the case of larger cracks, a special device called a backer rod is used to prevent the drainage of the sealant deep into the crack. Without one, an excessive amount of sealant would be required to fill larger cracks, which leaves more room for error and a higher total cost.

Blotting: an important step when the crack in question cannot be allowed to set after the process. If the area must be immediately accessible after the sealant, blotting mixes aggregate with the sealant in order to prevent disruption of the sealant setting process.

Many of these steps can be difficult and/or expensive if you are attempting to seal cracks yourself. In many cases, they require construction machinery which would cost far more than the project and you would only use once. Rentals are an option, but hiring a contractor can help save you a massive headache. Paving contractors can get the work done in a professional, timely manner, without any of the risk associated with DIY projects.

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