Fire & Smoke
Meets 60 minute
fire and smoke rating.
Security
Secures the threshold gap,
STOPS unauthorised entry.
Acoustic
Matches door rating up to
Rw/STC 52dB.
Sustainability
Provides sustainable control
of draught / energy loss.
The Next Generation of Automatic Door Bottom Drop Seals
The PDB 411M has revolutionised the performance criteria of drop seals. It is the only drop seal to offer a complete, all-in-one, sealed in place solution for the acoustic, fire, smoke, sustainability and energy / heat loss problems at the bottom of every door.
Introducing the PDB Drop Seal
- Only complete solution for sound, fire, smoke, energy and security
- Introducing market first – full aluminium sealing bar for complete protection
- Operates off patented arm-controlled mechanism
Only requires a low door closing force - Easy to install & aesthetically pleasing
Introducing the PDB 411M
Manufactured exclusively in the UK, our aspiration is to become the first choice for customers looking for a best in class, complete door sealing solution.
PDB 411M (mortised drop seal)
| Model | PDB 411M – Motised Seal |
| Standard Finish | Anodised Aluminium casing 6063 T6 |
| Special Finish | Customer choice powder coated |
| Application | Door bottom or door head for wood, steel or composite doors |
| Threshold plate | No requirement |
| Actuation | Non handed single-sided, sliding actuator |
| Door bottom channel dimensions | Width – 15mm / Depth – 37mm |
| Sealing bar drop | Up to 15mm drop. |
| Size range | 300 mm to 1800 mm. Practical max length 2400 mm. |
| Bar Drop Adjustment | Self levelling on uneven surfaces. 2:1 drop ratio |
