Reliable Performance Across a Broad Range of Applications

Our Sikaflex®-AT series includes solutions for seam sealing, spray- and brushable seam applications, as well as for bonding small parts on to the vehicle. These products are one-component PUR hybrids that have been formulated to meet the specific requirements of the car body repair process.

Backed by more than 2000 over-painting and paint adhesion tests, our Sikaflex®-AT products work well with modern over-paint systems. They can be applied wet-on-wet, or after a longer period, regardless of the climatic conditions.

The Sikaflex®-AT series for seam sealing provides an aging-resistant and permanently elastic seal, with good adhesion to all of the most commonly used materials, including metal primers, paint coatings, metals, painted plastics, and plastics.

Main Material Properties

  •  Over paintable with water-based paint systems
  •  Short cut-off string, fast curing and good non-sag properties
  •  Permanently elastic and aging resistant
  •  Restores the original factory finish in corrosion repair



  • Applied as a bead for seam sealing
  • Spray and brushable elastic sealant for seam sealing and lap joints
  • Structural joints that are subject to dynamic stresses


  • Primerless adhesion to all of the substrates commonly used in body shops
  • Perfect surface with the high-quality finish characteristics
  • Easy, clean and problem-free application