LAS8005 si Drop Seal


A slimline, mortised automatic drop seal. It features ahigh efficiency mechanism, which lifts the seal clear of thefloor as soon as the door is opened by a few millimetres;resulting in lower door operating forces. Requires no powerconnection. Self-levelling on uneven floors; seal heightcan be adjusted independently of fixing screws. Can befitted to aluminium doors by door fabricators.


System specification

LocationSingle swing, single + double leaf doors. For use on both right + left handed doors
Min/max gap size1mm/13mm
Seal materialGrey silicone rubber
Finishes Silver anodised aluminium, with grey end caps + grey silicone rubber. Silver anodised aluminium, with black end caps + black silicone rubber
Standard lengths335mm, 435mm, 535mm, 635mm, 735mm, 835mm, 935mm, 1035mm, 1135mm + 1235mm. Note: Each length can be cut back to the next size down. 335mm can be cut back to 255mm
ADJUSTMENTSelf-levelling on uneven surfaces. Seal height can be adjusted independently of the fixing screws
Test evidence Acoustic: BS EN ISO 10140-2: 2010 (up to Rw 33dB). Smoke: BS EN 1634-3: 2004 & BS 476-31.1: 1983. Fire: BS 476: Pt.20/22: 1987 & BS EN 1634-1: 2014. Durability: 1 million cycles
Performance Meets smoke requirement: BS 9999: 2017