The LAVA sealing tape (antistatic glass-fibre sealing tape) protects the sealing-strip, so the foils cannot be stuck on the sealing bar. The LAVA sealing tape is necessary for the best sealing results.
1. Disconnect the vacuum-sealer
2. Remove holders on the side of the tape (Pull)
3. Pull off the old band
4. Stick new sealing tape and fix the holders