Adhesive being applied to car panel

Panel Bonding

Wherever a full welding process is not possible or not desired to fit a non-structural replacement part to a car, you can easily use the 3M Panel Bonding Repair process.

Modern materials such as composites or high strength steel require modern methods.

High strength steel only tolerate a certain degree of heat input, otherwise they loose integrity. Composite materials or joining different alloys or metals to eachother virtually becomes impossible with common welding technologies. Repair instructions from manufacturers get more complex.

  • Technician preparing panel for replacement
    • Bonding processes grow in importance - they replace the traditional welding process and offer many advantages. No heat input is necessary, different materials can easily be joined and application is fast and simple.

      Our OEM approved 3M™ Panel Bonding Adhesive comes with lifetime warranty against corrosion, when used according to directions for use. It enables you to join non-structural body parts at room temperature and can also be weld-bonded or rivet-bonded for additional strength.

      Click the play button in the image to watch the video

      Download Panel Bonding Process Brochure (PDF, 497KB)

      Contact a 3M expert

Panel and structural bonding products

Discover our range of panel and structural bonding products to help achieve high quality, efficient repairs in your bodyshop.


How to bond panels together without welding

Step-by-step process guide to bond car panels together without the need of welding.


Technical tips for panel and structural bonding

Here are some valuable insights into specific challenges surrounding panel and structural bonding, including quick tips on preventing common issues such as....

  • Customer Challenge:

    Repair instructions from car manufacturers get more complex. Composite materials or joining different alloys or metals to each other virtually becomes impossible with common welding technologies.


    Technical Tip:

    3M™ Panel Bonding Adhesive is developed for bonding quarter panels, roofs skins, box sides, van sides, utility vehicle sides and door skins — anywhere that requires a lasting bond for outer body panels - as specified by car manufactures.

  • Customer Challenge:

    Hybrid joining processes (bonding + riveting) and high-performance bonding processes are gaining popularity. Modern vehicle bodies consist of a large number of steel alloys with different properties, which leads to much more complex repair processes and variants per car manufacturer.


    Technical Tip:

    3M™ Panel Bonding Adhesive is the result of years of laboratory development. Our scientists pioneered "bondline control" in the collision repair market, incorporating glass beads into our adhesive formula that work as built-in spacers for optimal bond line thicknesses. It enables you to join non-structural body parts at room temperature and can also be weld-bonded or rivet-bonded for additional strength.

  • Customer Challenge:

    There are different areas on a car body which have different functions for the safety and crash resistance properties of the vehicle. Therefore it´s nessessary to use different adhesive properties on the different areas of the car body, especially when impact resistance ahesives are needed on structural parts of the car body.


    Technical Tip:

    There are many factors that can affect an individual repair, so the technician and repair facility need to evaluate each specific application and repair process and determine what’s appropriate. 3M recommends referring to relevant vehicle repair and OEM guidelines prior to starting all repairs. When following OEM recommendations, using structural adhesives can deliver many benefits including consistent load distribution and joining of dissimilar substrates. Structural adhesives are typically used in conjunction with mechanical fasteners or welds. 3M™ Impact Resistant Structural Adhesive (IRSA) is one of the few adhesives designed specifically to meet the demands of collision absorption in OEM-specified structural bonding applications.


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