Neutral silicone sealant for glass retaining strips
Glasleistenfüller 490 is used to seal and back fill casements and glazing beads. Glasleistenfüller 490 was specifically developed for sealing of rebate areas. It prevents ingress of moist air and therefore the formation of condensation on the insulating glass unit. The sealant cures to low adhesion so that the glazing beads can be easily removed for maintenance work.