LAS8040 Drop Seal
Mortised
A medium duty, mortised automatic drop seal. The unique double activated mechanism has an adjustable brass striker button at the hinge side and a nylon striker at the latch side. The mechanism also contains additional internal seals and a double compression facility to provide exceptional acoustic performance. Can be used for both 44mm and 54mm doors.
A single activated variant is also available for use on double doors (LAS8040 SA).
Finish
System specification
| Property | LAS8040 | LAS8040 SA |
|---|---|---|
| Test evidence | Acoustic: BS EN ISO 10140-2: 2010 (up to Rw 40dB) | Acoustic: BS EN ISO 10140-2: 2010 (up to Rw 40dB) |
| Performance | Meets smoke requirement: BS 9999: 2017 | Meets smoke requirement: BS 9999: 2017 |
| LOCATION | Single swing, single leaf doors. For use on both right and left handed doors | Single swing, single or double leaf doors. For use on both right and left handed doors |
| MIN/MAX GAP SIZES | 3mm/14mm | 3mm/14mm |
| SEAL MATERIAL | Flexible thermoplastic elastomer gasket + internal fins | Flexible thermoplastic elastomer gasket + internal fins |
| FINISHES | Silver anodised aluminium with black flexible gasket | Silver anodised aluminium with black flexible gasket |
| STANDARD LENGTHS | 535mm, 635mm, 735mm, 835mm, 935mm, 1035mm + 1135mm. Note: Each size cuts back by 100mm (50mm from both ends). 535mm cuts back by 80mm | 335mm, 435mm, 535mm, 635mm, 735mm, 835mm, 935mm, 1035mm + 1135mm. Note: Note: Each size cuts back by 100mm. 335mm cannot be cut back |
| ADJUSTMENT | Self-levelling on uneven surfaces - can be adjusted independently of fixing screws. Adjust using the buttons at either end of the seal | Self-levelling on uneven surfaces - can be adjusted independently of fixing screws. Adjust using the brass button at the hinge side of the seal |
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