Preparation
Examine the area to determine the extent of the damage . Infrared patching works well for issues such as clusters of cracks and small to medium-sized potholes . Remove any loose debris , rock , dirt , water and vegetation from the damaged area . Use a steel broom or blower to ensure the surface is clean .
Define the Repair Area
Clearly mark the edges of the repair zone . It ’ s often helpful to use chalk or marking paint .
Heat the Area
Position the infrared heater over the repair area . Once turned on , the machine emits infrared radiation that penetrates the asphalt , warming it to a temperature where it becomes soft and workable . Heat the area for about 5-15 minutes , depending on the thickness of the asphalt and the size of the area . Try to heat the asphalt to approximately 275- 325 ° F ( 135-163 ° C ).
Asphalt Rake the Surface
Use a rake to mix and loosen the heated asphalt . This process helps in blending the old asphalt with any new material that will be added .
Add New Asphalt and / or Rejuvenator
Add fresh asphalt mix into the heated area . Try to use a quality mix that matches the existing asphalt in terms of composition and grade . If you can ’ t , try to mix it well with the existing asphalt .
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[ 13 ] September 2024