Filler & Glaze application for Car Repair

  • Choosing 3Ms Filler products allows you to work with premium products, developed for well balanced properties to restore the original surface of the car.

    3M Premium Filler products are generally smooth to spread and easy to sand, they are fast curing and thus help you to maximise process efficiency.

Step by step guide for Filler Applications


  • Step 1 - Inspect and clean the damaged panel

    Inspect the damaged area and degrease in accordance with paint company recommendations.

  • Step 2 - Remove paint

    Remove paint from damaged area using a dual action sander with relevant abrasive ranging from P80 – P120 (or 150+ Cubitron™ II).

  • Step 3 - Apply Filler

    Take the right filler of your choice

      

    • General Purpose Body Filler
    • Heavy General Purpose Body Filler - for deeper dents and with a slightly longer open time
    • Using a clean surface, mix the body filler with 2-3% 3M Body filler hardener (by weight!)
    • Apply the body filler to the damaged area, avoiding to spread onto surrounding paintwork.

     

  • Step 4

    Step 4 - Apply Dry Guide Coat

    Let the filler cure - ideally air dry for ca. 15 mins at 21° - 24°C.
    Apply 3M™ Dry Guide Coat to highlight the structure and any imperfections of the filler.
    Dry Guide Coat also helps to reduce clogging and extends the live of the abrasive.

  • Step 5

    Step 5 - Sand the filler to shape

    Hand sand or machine sand the filler to shape - using P80 - P180 ( or up to 220+ with Cubitron™ II)

  • Step 6 - Apply Glaze

    Assess the filled area and apply additional fillers or glaze as required.

    The Application of 3M Premium Glaze usually provides you with an ideal, very smooth surface, using Glaze also often helps to reduce primer consumption.

  • Step 7 - Sand the glaze

    Apply 3M Dry Guide Coat again to show the surface structure and allow a controlled fast sanding.

    Use 3M Abrasives 150+ Cubitron™ II by machine or with the right Handblock and dust extraction for a fast shaping of the filler area.

  • Step 8 - Reduce scratches and key area

      Re-apply 3M Dry Guide Coat to highlight any deeper scratches and surface imperfections to be removed with finer abrasives.

      In order to prepare the surface for the primer application, reduce any scratches of 150+ by using grade 220+. To achieve optimal flattened results, use abrasive with a hand block.

      The very last step before primer application then needs to be done with DA machine and Cubitron II 220+.

      To improve the adhesion of the primer, it is recommended to key the surrounding edge area with P400/P500.


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