About Asphalt Crack Sealing
Regular cracksealing is the best use of maintenance dollars. Keeping the water out of the sub-grade (the ground underneath the asphalt) helps prevent excessive cracking (alligatoring), which leads to potholes and eventually to complete pavement failure.
If you’re noticing cracks in your pavement that need attention, call Foothills Paving & Maintenance. Our company offers a wide variety of paving services to residential and commercial customers. From repairs to installations, we do it all. We proudly serve the Denver Metro area, up and down and front range and into the foothills.
The cracks are cleaned of all dirt and loose rock with a compressed air wand (185 CFM trailer mounted compressor). The cracks must be clean and dry so a good bond can be created between the walls of the crack and the hot rubberized crackseal material. If excessive weeds have grown in the cracks, they will be killed with a sterile solution several days ahead of the cleaning process. If moisture is observed on the walls of the crack, a heat lance will be used to dry the cracks.
The cracks are then sealed with hot rubberized crackseal material. The material’s characteristics meet or exceed all CDOT 3405 specifications. The material is heated to approximately 390° F in an oil-jacketed chamber with an automated agitation system to assure a consistent material temperature.
The squeegee is then used to put pressure on the sealant giving it an opportunity to fill deep inside the cracks to create a better bond with the pavement surface. After the sealant is pressed down, the top visible layer is smoothed out to create an even surface and to ensure consistent adhesion to all the asphalt it comes in contact with.
The Glenzoil application is used under special circumstances. It is a soapy liquid substance that is sprayed over the crackseal material to prevent the crackseal from sticking to tires. This application is used when we are not able to keep traffic off of the lot on days that temperatures are 50 degrees or higher.
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