3M Automotive Clear Bra

San Diego's 3M Clear Bra Specialist

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3M Clear Bra Installation Instructions::
MIS™ Paint Protection Kits


Application tools necessary

  • Squeegee (Blue Teflon coated)
  • (2) Heavy duty spray bottles
  • Baby shampoo (Do not substitute other soaps)
  • Isopropyl rubbing alcohol (70% solution)
  • Non Scratch Absorbent Cloths
  • Wax and Silicone remover
  • Chizler

 

General Application Instructions::
IMPORTANT: Read instructions thoroughly before beginning application.

1. Installation should always be performed in a controlled environment with a temperature range of 60º to 90º F. Application should never be performed in windy conditions or in direct sunlight.

2. Prepare a slip solution in one of the spray bottles, filling it with water and adding 2 or 3 large drops of baby shampoo. When properly mixed, the solution should sheet off the hood but not produce many suds. Prepare the alcohol/water solution using 1 part alcohol to 2 parts water.

3. Contamination such as road tar, grease, oil, wax, dirt, and bug residue should be removed by cleaning the surface to be covered with the wax and silicone remover. Spray the surface thoroughly with the alcohol solution and wipe with the non-scratch absorbent cloth.

4. Verify size and placement of all parts before removing liner.

5. Clean hands thoroughly, even the smallest amount of dirt on your hands will transfer to the adhesive, causing an undesirable appearance. Also, always keep your fingers wet to prevent the adhesive from sticking to your fingers, and do not needlessly handle the adhesive side of the material. It will be necessary to handle the adhesive side of the material occasionally, but make any contact with the adhesive as brief as possible and with wet fingers. This is important, as fingerprints will show through the material.
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For the hood:

6. Wet the area of the hood where the kit will be applied, and your fingers with the slip solution. With the material rolled up, pull a small amount of the film away from the liner on one end. With your hand, wipe a 2” section at the edge of the hood allowing the kit to “tack” onto the edge, which will allow you to “roll” the film onto the hood. With the rest of the kit rolled up in one hand, use your other hand to hold the end of the material that you have pulled loose from the liner down on one end of the hood. Then, slowly begin to pull the liner towards the other end of the hood, causing the material to be slowly rolled out on to the hood. If the kit has a relief cut in it, be careful when rolling out the material on the hood so as not to stretch or tear the material in this area. You may have to use your fingers to free the material around the relief cut from the liner. Once past the relief cut you may proceed normally. A relief cut would be considered any narrow cut-out in the material which deviates from the normal hood line for the purpose of allowing the material to lay flat over heavily contoured surfaces.

7. Now that the material is laying out on the surface, it will be necessary to apply more of the slip solution between the hood and the material to allow the kit to be easily positioned on the hood. Lift the material from the hood one side at a time to spray the material and the hood with the slip solution. It may require a bit of gentle tugging to lift the material from the hood, but care must be taken not to excessively stretch the material.

8. Now that the material moves freely on the hood, you may easily position the kit into place. The kit should be positioned between 1/16” and 1/8” from the front edge of the hood and centered between the fenders. Also, be sure that the kit is level across the width of the hood. The kit may not line up with every edge of the hood; this is normal since stretching may be needed to relieve excess material caused from the curvature of the vehicle’s dimensions. As long as the kit is symmetrical from one side to the other, you can proceed to the next step, however, if it is not, you must re-align the kit, ensuring the whole kit is symmetrical at every edge.

9. Once you have the kit in place, spray a small amount of alcohol in the center of the hood between the hood and the kit. Make several small vertical strokes with the squeegee in the very center of the hood, starting gently and then increasing pressure with each stroke until you have an area 3-4" wide from top to bottom that is free of the solution. The shield is now "anchored" to the paint in the center and will not move freely, which means you do not have to worry about the kit sliding out of place.
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10. Now that the material is anchored in the center, lift one end of the material back to the point at which the material has adhered, and spray the adhesive side of the material and the hood with the slip solution. Place your hand on top of the kit stretch the kit into position making sure that the kit lines up along the grill and the edge of the hood. Take your alcohol/water solution and spray the edge of the kit forcing the solution between the kit and the hood and take your squeegee and “tack” the corner. The alcohol/water solution allows the adhesive to adhere to the paint rather quickly, holding the kit along the edge of the hood. (Please note that when using the alcohol/water solution, the material will dry very quickly, so it will be necessary to work quickly to achieve the desired appearance.)

11. From the center of the area that is now free of slip solution, make a horizontal pass with your squeegee to the edge of the hood. Then, starting back in the center, make short, upward, overlapping strokes from the middle to the top edge moving toward the first contoured are of the hood. Now, do the same with downward strokes from the middle to the bottom edge until you reach the contoured of the hood. Keep in mind that firm pressure is needed to avoid leaving water or air bubbles trapped underneath the material.

12. Squeegee the trailing edge of the kit down into the ridge on the hood until it is completely sealed. This can be the trickiest part of the installation so pay close attention to this step. Drag your fingertips downward through the contoured area using firm pressure and hold. Doing this will stretch the material down into this heavily contoured area and pull out the majority of the excess material along the front edge of the kit. It is important to not let the material pop back up in the area above your fingertips. For the most part, suction alone will be holding the material down at this point. If you do not hold firm, even pressure with your fingertips on the film, air will be allowed back in and the film will come back up. A small bubble under the film is allowable. If you encounter larger bubbles you may need to release the material, re-wet the area and retry this step. With the material now in this position, follow behind your fingertips with the squeegee to complete the step.

13. While stretching downward on the film around the grille, squeegee the film from the ridge to the headlamp using firm pressure.

14. If any area around the edges has lifted back up, you should wrap a paper towel around your squeegee and go over the edges again. This will absorb the moisture around the edges that interferes with adhesion.

15. Repeat steps 10-15 for the opposite side of the hood.
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For the fenders:

14. For the smaller fender pieces, you can use the alcohol/water solution alone to apply the part. It is usually best to start by lining up the upper edge of the piece with the edge of the fender, while also ensuring that the front edge is about an 1/8”of an inch away from the edge as well.

15. Make a very gentle narrow pass with the squeegee along the upper edge of the piece. Do not press too hard on the squeegee when making the first pass or you will drag the material out of place with the squeegee. Then, as the material begins to adhere to the paint, you may use increasingly firmer strokes until all the alcohol/water solution is removed from beneath the upper edge of the material.

16. Once the material is anchored at the top, you should gently pull the bottom edge down with your fingers while making sure that the adhesive is thoroughly wet with the alcohol/water solution. Then, while pulling downward on the material, make a firm pass with the squeegee from the top edge all the way through the bottom.

17. Finish up by going over any remaining "fingers" in the material with the squeegee. For vehicles that have heavily contoured fenders, you may need to wrap the squeegee with a paper towel to push out any stubborn areas.
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For the mirrors:

18. Using the alcohol and water solution, thoroughly wet the mirror and lay out the material on the surface. Ensure there is enough solution present so the kit moves freely on the surface. Align the kit so it is positioned evenly around the edge of the mirror and squeegee in place around the inside edge.

19. With wet fingers, stretch outward firmly until most of the excess wrinkles are pulled out from the top and bottom of the kit.

20. Using very firm pressure, squeegee from the inside edge of the mirror (where you started) to the outside edge of the mirror. Using enough pressure, the squeegee should “flex” (or bend) indicating a firm amount of pressure that is required to lay the material down evenly.

21. Now squeegee the wrinkles that are left on the edges. Once again, you should notice a bend in the squeegee indicating the extreme pressure being applied to the film. Once you are down to the last few wrinkles you may then proceed to step 22.

22. Using a Chizler wrapped in a non-scratch absorbent cloth, continue to squeegee the remaining wrinkles using firm pressure.
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Finishing touches:

When finished applying all of the pieces to the car, go back and check all of the edges to make sure nothing has lifted up. If an area has a small finger that has developed, spray some of the alcohol/water solution into the finger and squeegee again. This time though, hold your finger on the spot where you squeegeed for a minute or so and the material should stay down. Make sure the car is not washed for at least a day.

Application Hints:

Be sure to overlap strokes to avoid trapping air or solution under the material.

Bubbles tend to form most often at curves and contours, so pay special attention.

Excessive stretching is not recommended. However, some gentle stretching may be required to fit some curves.

The material may be gently pulled back up in areas if necessary to reposition the kit, or if you find that you have trapped dirt, air or an excessive amount of solution under the material. Do not worry about small pockets of solution trapped under the material, as over time the solution will evaporate, making the spot unnoticeable. Air, however, must be removed. Any attempt to pull the material back up must be done within 10 minutes of application, otherwise excessive stretching will occur, so check the kit often for bubbles.

If you accidentally stretch the material too far, you may end up with the kit overlapping the sides of the hood. When this occurs, it will be necessary to trim the edges of the kit with an Olfa knife (or other window tinting knife). Take care not to cut all the way through the material into the paint. You need only cut through the urethane layer, not all the way through the adhesive and into the paint. Be very gentle at first, increasing pressure if necessary to get through the film. Then pull away the excess film with your fingernail.

Relief cuts can be tricky to lay down. It is imperative you do not stretch the area around the relief cut, or you will have a more difficult time putting it on. If you are unsure about how to attempt the area around the relief cut or if you have other questions, be sure to call our toll free technical support number for assistance before you begin at 1-800-447-9928 or (210) 342-7114, extension 204.

Care Instructions:

No special care is necessary for your kit once installed. You may wash and wax it just as you do the rest of your car. You may experience a wax build up along the hood lines and other kit edges. Use a Q-tip or a soft brush to gently wipe away excess wax. Swirl marks can be buffed out with a light coat of wax. When using high-pressure sprayers, do not place the nozzle directly against the edge of the kit, or lifting may occur. Avoid picking at the edges or corners. Irreparable lifting of the material will result.
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