You may retread used tires manually or using specialized equipment. You may also tread on new tire inventories. After retreading, you inspect the interior of the casing, perform repairs or replacements, and conduct pressure tests and other safety checks. Your job may also involve curing retreaded tires. As a retread technician, your job duties involve the inspection of tires and grading of tire casings. Your responsibilities include buffing the tire and preparing the rubber for retreading. You may retread used tires manually or using specialized equipment. You may also tread on new tire inventories.