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Hero image of a person attaching vhb tape to frame for subsequent attachment to panel

Panel to Frame and Stiffener to Panel Assemblies

Permanently bond panels to rigid frames

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3M Panel-to-Frame and Stiffener-to-Panel attachment solutions for lasting strength

  • Panel to Frame Assemblies

    Panel to Frame Assemblies

    Panel-to-frame assemblies occur when decorative or load-bearing panels are applied to a rigid frame for support. Some common examples include construction facades, trailer panels, elevator walls and sign boxes.​

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  • Stiffener applied to panel

    Stiffener to Panel Assemblies​

    Stiffeners are applied to panels to give extra support and rigidity. These are commonly seen in trailer panels, traffic signs and large metal enclosures. ​

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  • Image of shear stress occuring in panel frames

    Shear Stress in Panel-to-Frame

    In vertical panel-to-frame applications, the force of gravity produces a shear stress as the dead load weight of the panel is exerted onto the bond. Some peel or cleavage may be present, but those peel and cleavage forces are mitigated by having a long lineal length through which to disperse the load.​​

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  • Image showing compression and tension in Stiffener-to-Panel

    Compression and Tension in Stiffener-to-Panel

    In stiffener-to-panel applications, the weight of the stiffener is often not so large as to contribute to dead load shear. Instead, for these assemblies, the stiffener is often experiencing tension and compression as load is applied to the panel, such as wind loads on sign faces. Again, some cleavage and peel forces may be present, but long lineal lengths and the hat-channel design disperse these loads.​​​


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Product Categories

  • 3M™ VHB™ Tapes

    High-strength bonding tapes are a proven alternative to screws, rivets, welds and other mechanical fasteners. 3M™ VHB™ Tape offers instant strength, a high ultimate bond and seals simultaneously. 3M™ VHB™ Tape’s viscoelasticity allows relative movement of parts for thermal expansion/contraction. Best for flat to flat applications with a consistent bondline thickness.

  • 3M Scotch-Weld™ structural adhesives for Panel-to-Frame and Stiffener-to-Panel Applications

    3M™ Scotch-Weld™ Structural Adhesives

    Acrylic, epoxy and urethane structural adhesives hold over 6.8MPa (1,000psi) in overlap shear strength.Best suited for thinner bondlines, irregular shapes and textured surfaces where load-bearing strength is needed. Provides the highest load-bearing strength and environmental resistance.

  • 3M™ Adhesive Sealants

    Acrylic, polyurethane, nitrile and hybrid are one component adhesive technologies with outstanding sealing properties. These products are capable of filling larger and irregular gaps including rough substrates. Highly flexible formulations allow for relative movement for thermal expansion/contraction.

  • 3M™ Reclosable Fasteners

    3M™ Dual-Lock Reclosable Fasteners for strong yet easily removable fastening solutions. These products are ideal to allow access for servicing or replacement of a panel. Generally backed with 3M™ VHB™ Tape or other 3M adhesive technologies.


3M Panel-To-Frame and Stiffener-to-Panel attachment solutions performance factors for lasting strength

All 3M technologies shown below are commonly used in panel applications. Use the list below as a relative comparison of product performance.

  • + = Good ++ = Better +++ = Best

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Need help finding the right product for your project? Contact us if you need product, technical or application advice or want to collaborate with a 3M technical specialist, or give us a call at +27 011 806 2000.

Need help finding the right product for your project? Contact us if you need product, technical or application advice or want to collaborate with a 3M technical specialist, or give us a call at +27 011 806 2000.

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