How to Flatten a Vinyl Record

Written by robert russell
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It is a disappointing experience to put on one of your favourite records only to find that it is warped and unplayable. Before you throw the record away or buy a replacement, try to flatten it using a simple baking technique, combining heat with pressure. The heat makes the vinyl flexible and the pressure restores the record to its original shape. Always practice this technique a few times on records that you care very little about before attempting to flatten one of your cherished records.

Skill level:
Moderately Easy

Things you need

  • Glue
  • Cork
  • 2 pieces of glass, larger than a standard record
  • Scissors
  • Vinyl-foam placemats
  • Glass cleaner
  • Soft cloth
  • Distilled water
  • Lint-free cloth
  • Record sleeve
  • 12-inch marble tile

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  1. 1

    Glue five pieces of cork to a piece of 1/4-inch-thick glass to create the bottom of your record-flattener. Place one piece of cork in the centre and the other four pieces of cork in the corners. All the cork must be even and level. Set aside a second piece of glass for the top of the device.

  2. 2

    Trace out the shape of the record on two vinyl-foam placemats. Cut two record shapes out of the placemats. Cut centre holes out to leave the label exposed.

  3. 3

    Clean the record with glass cleaner and a soft cloth. Wipe in the same directions as the grooves on the record. Rinse with distilled water. Dry the record with a lint-free cloth.

  4. 4

    Place the record between the two pieces of glass, with the vinyl placemats between the record and the glass on either side.

  5. 5

    Place the record sandwich outside in the sunlight for 15 minutes. Move the record sandwich back indoors. Set it in a stable spot and place a 12-inch marble tile on top. Leave the tile on top overnight. An alternative to the sunlight method is to set your oven at its lowest setting, 65.5 to 93.3 degrees C, and place the record sandwich in the oven for 15 minutes. Turn the oven off after 15 minutes. Leave the sandwich in the oven and place the marble tile on top. Leave it overnight.

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