490 Glasleisten Füller

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Available for corporate customers

Product information and downloads

Flexible bonds in windows

490 Glasleisten Füller was specially developed to seal and backfill casements and glazing beads – and is ideal for sealing rebate areas. The neutral-cure silicone prevents ingress of moist air and, in turn, stops condensation forming on the insulating glass. The sealant cures to low adhesion so that the glazing beads can be easily removed for maintenance work.

Retards water vapour diffusion, making proper installation easier
Easy and effective application
Simple to remove glazing beads
Practice-proven quality


  • Low-emitting
  • Odourless
  • Compatible with laminated safety glass


  • LEED approved
  • German Sustainable Building Council (DGNB)
  • EC1

Technical data

Sag resistance
310 ml cartridges, 400 ml and 600 ml foil bags
Storage life
8 months in a cool and dry place
~ 1,03 (EN ISO 1183-1)
Processing temperature (substrate, environment)
+5°C to + 35°C
Temperature resistance
- 40°C to + 150°C
Neutrally cross-linking alkoxy system


Main applications

Illustration Nahaufnahme Fenster-Falzraum mit rot markierter Dichtung
Sealing recesses in window sashes
When sealing recesses in window sashes, it’s essential to prevent moist air from getting in and forming condensation.
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