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One-part, chemically curing, solvent-free sealant based on Everbuild Hybriflex technology, combining silicone and polyurethane. Formulated to provide resistance to finger picking where a small movement accommodation is required.

Features and benefits:

  • High resistance to impact, wear and chemicals/ petrol.
  • Resistant to picking by fingers.
  • Passed for use on different Home Office and Ministry of Justice projects.
  • Primer-free adhesion to most surfaces, including metals, most plastics, glass and polyester.
  • High UV and aggressive atmosphere resistance.
  • Over-paintable with certain paints.
  • Can be applied on damp surfaces.
  • Non-sag.
  • High mechanical properties.
  • Formulated to stop the growth of mould and fungus in areas of high humidity.


  • Secure environments (prisons and hospitals) where the sealant is hard to reach or the person is under supervision.
  • Municipal and public areas.
  • Perimeter sealing of doors and windows.
  • Joints in heavy cladding.
  • Pedestrian walkways.


CE marked under EN 15651, Parts 1 and 4, classes F12.5E and use in cold climates.

Standard product features

Technical characteristics:

  • Form: Paste.
  • Density: 1.40–1.50 g/cm³.
  • UV radiation resistance: Good.
  • Service temperature: -40°C to +100°C.
  • Application temperature: 5–35°C.
  • Shore A hardness (to ISO 868 - 3 seconds): ~50.
  • Tensile strength (to ISO 8339): >1.3 N/mm².
  • Elastic recovery (to ISO 7389): >80%.
  • Movement accommodation: ±12.5%.
  • Shrinkage (to ISO 10563): <5%.
  • Modulus (to ISO 8339): ~1 MPa (at 60% elongation).
  • Joint width: 6–20 mm.
  • Curing rate (at 23°C, 50% RH): ~2 mm/24 h.
  • Skin formation (at 23°C, 50% RH): 20–40 minutes.

NBS Specification

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Product specification

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Sika Limited


+44 (0)1707 394444

Product reference

Anti-Pick 109


[Soft Linen]

Manufacturer details

Welwyn Garden City,
Hertfordshire, AL7 1BQ
Tel +44 (0)1707 394444
Fax +44 (0)1707 329129
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