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Magnetic Car Sign Care

Proper care will extend the life of your magnets and protect the metallic surface to which it is applied. Applying any material to a painted magnetic surface without following all instructions for the use and care may result in damage to that surface.


  • Before affixing magnetic sheet to a metal surface, be sure all surface paints, clear coats and waxes are cured (hardened). (Waxes at least 2 days. New vehicles or freshly painted surfaces 90 days)
  • Clean the vehicle surface and the magnet with mild detergent.
  • Wipe with a soft cloth or allow to dry.

Applying Magnet Signs

  • Magnetic sheet is more pliable and easier to apply when it is near room temperature and the outside weather is pleasant, but not extremely hot or cold.
  • If possible, affix to smooth, flat or gently curved metallic surfaces.
    Carefully align one edge of the magnetic sheet to the vehicle surface. Slowly let the remainder of the sheet apply itself to the vehicle surface. Be careful to not allow air pockets under the sheet. If the magnet isn't aligned correctly, start with one edge and completely remove the magnet, then re-apply.
  • Do not pull the magnet across the surface, or it may stretch due to the resistance caused by the high magnetic strength. I may also scratch your paint.
  • Avoid use on horizontal metal surfaces exposed to direct sunlight (such as automobile hoods), temperatures exceeding 160° F (71° C) or temperatures below -15° F (-26° C). Exposure to cold weather will make the magnet more brittle so use caution when handling.
  • Be aware that long-term use on surfaces frequently exposed to sunlight (such as vehicles) can result in uneven fading of the surface because the magnet-covered area is shielded from ultraviolet rays.
  • Magnets do no stick to non metallic body fillers nor do they stick well to simulated wood grain siding or rust.
    Avoid adhering magnets to freshly repainted surfaces.


  • Clean both the magnet and metal surface with mild detergent; wipe with a soft cloth or allow to air-dry.
    Magnets should be removed and wiped clean daily.
  • After waxing and polishing vehicle, allow 2 days for wax to cure before applying magnets.


  • Magnet signs should be checked daily so that both the magnet and the vehicle surface are free from debris. Dirt material between the magnet and vehicle can damage your vehicle's finish. Make sure to clean both the front and the back of the sheeting with water and mild detergent.
    Failure to do so may result in damage to the vehicle finish. Even if the magnetic sheet looks clean, the sheet should still be peeled away from the vehicle surface.
  • It is extremely important that magnetic sheet be peeled away from the vehicle surface on a daily basis. This prevents the magnetic bond between the magnetic sheet and your vehicle from increasing and the sheet from becoming locked tight to the vehicle surface.
  • This daily peel away, along with a good schedule of regular cleaning, will help to lengthen the life of your magnetic sheet, and protect the surface of your vehicle.
  • If the magnet is left on the vehicle during the rain, remove the magnet and wipe the magnet and vehicle dry.
  • Moisture trapped between the magnet and vehicle finish for extended periods can damage the vehicle finish. Allow the magnet and vehicle to dry completely before reapplying.
  • If magnet is left on the vehicle in extreme cold weather and becomes iced on, do not try to remove the magnet until it gets warm enough to remove the magnet without damaging it.


  • When not in use, keep the magnetic sheet in a clean, dry place.
    Stack flat magnet on a level surface.
  • Avoid placing objects (such as cartons) on top that could damage the face.
  • Magnetic sheet should never be placed magnet to magnet.
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