To request a quote, please contact us stating quantity and drop seal length and our team will be in touch within 24 hours. Alternatively, please call our sales team directly on 0800 6890 698.
PDB 411M – Mortised Drop Seal
Next Generation Drop Seal
- Only drop seal to offer a full aluminium sealing bar
- Uses patented, award-winning technology
- No threshold plate required
Acoustics – STC / Rw 52dB
Fire – 60 minutes to BS EN 1634-1:2014
Smoke to BS EN 1634-3:2004
Unique security benefit
Robust barrier for heat loss, light ingress & pests
Durability of 1.1M cycles without failure
Standard Lengths
- 435mm
- 535mm
- 635mm
- 735mm
- 835mm
- 935mm
- 1035mm
Optional Lengths
Optional lengths available 300 mm to 1800 mm. Please note trimming length up to 100mm opposite side of actuator button.
