How to flatten a warped vinyl record

Use two clean 330 x 330 mm ceramic floor tiles, each with a smooth top side. Preheat oven to 120-160 degrees Fahrenheit (say 65C). Place both tiles in the oven, face up, on separate shelves so they heat through thoroughly.┬áLeave to heat until the thermostat is steady at 65C. Using a protective mitten, remove the […]