Description
Sikaflex Primer 260 is a single-component urethane adhesion promoter packaged in a 1 pint can for shop and field use ahead of Sikaflex sealant and adhesive work. The Sikaflex Primer 260 covers the most common urethane bonding situations where a substrate would not develop a long-term bond without primed prep, and is used by transportation, marine, sign, and architectural crews working with Sikaflex two-part and one-part urethane systems.
Sikaflex Primer 260 Features
- Single-component, ready to use straight from the can with a brush, dauber, foam swab, or spray for production stations.
- Promotes adhesion of Sikaflex urethane sealants and adhesives on metals, plastics, painted surfaces, and other non-porous substrates.
- Designed for bond areas that will see weather exposure or underwater service after cure.
- Pint size covers a full production day for small-bond work and several days for spot repairs.
- Compatible with the Sikaflex two-part adhesives commonly used on truck, marine, and construction lines.
Sikaflex Primer 260 Applications
- Marine bedding, hull joinery, and topside sealing where Sikaflex sealants meet salt exposure.
- Bus and RV body panel bonding ahead of Sikaflex direct glaze and structural adhesives.
- Window and panel sealing on metal-skinned trailers and equipment enclosures.
- Sign assembly bonding on metal cabinets and panels prepped with Sikaflex urethane.
- General industrial maintenance where a urethane sealant joint is being rebuilt after substrate prep.
Coverage and Use Notes
Sika lists typical coverage of 300 to 500 linear feet per pint on a 1/2 in by 1/2 in joint, depending on substrate porosity. Verify substrate compatibility with the Sika primer chart, since some substrates need a different Sika primer (such as 209 or 429) instead. Allow the manufacturer-specified flash off before applying Sikaflex sealant. See Sika USA for the current primer compatibility chart.
Ordering and Related Products
Browse primers and accelerators for the matching Sikaflex sealant, adhesive, and cleaner program. Call (800) 220-1966 or email [email protected] for help confirming the correct Sika primer for a specific substrate and Sikaflex product.







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