How to Hide the Masking Tape Seam When Spraying a Car

Written by cheryl starr
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How to Hide the Masking Tape Seam When Spraying a Car
Masking before priming is required for a successful paint job. (one headlight image by Thomas Czeizinger from

Masking is a vital process of a car's paint job. Masking needs to be prepared properly and the surface area cleaned, before the paint can be effectively applied. Most professionals mask for priming and also for colour application. Masking at least twice will help avoid the stair effect created on the edge of the paint repair area. Proper surface preparation is perhaps the most important contribution to the car's successful finished form.

Skill level:
Moderately Challenging

Things you need

  • 3/4 inch automotive masking tape
  • Masking paper
  • 3M Door Aperture tape
  • 3M Fine Line tape

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  1. 1

    Use fresh automotive masking tape to avoid adhesive to substrate transfer. Masking tape ages. Make sure that it tears easily.

  2. 2

    Outline the area to be painted with the 3/4-inch tape.

  3. 3

    Extend out with at least 12 inches of masking paper with added 3/4-inch tape connected to the outline tape.

  4. 4

    Tape the end seams of the 12-inch masking paper. Attempt to hide the refinish areas by "folding back the 3/4-inch tape length wise at corners or body style lines," suggests the experts at Camaro Performers.

  5. 5

    Create gentle lines and hide colour edges by using the 3M Door Aperture tape.

  6. 6

    Use the 3M Fine Line tape, when tape is needed to go beneath rubber seals. This is a pull back tape to mask around windows or glass. It conforms to edging and a radius much easier than the problematic conventional masking tape.

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