Acoustic, smoke & fire containment systems

Tel: +44 (0)1626 834252 Email: sales@lorientuk.com Help Live Chat

LAS8001 si Drop Seal

An aluminium-based drop seal for acoustic, smoke and energy containment. It features a high efficiency mechanism which lifts the seal clear of the floor as soon as the door is opened by a few millimetres.

Acoustic Performance 
Weighted Sound Reduction Index (Rw): 37dB 

Location
Single swing doors. For use on both right and left handed doors. 

Min / Max gap size
1mm / 13mm 

Seal Material 
Grey or black silicon rubber. 

Use with
Any perimeter seal.  Any threshold plate. 

Standard Lengths 
335mm, 435mm, 535mm, 635mm, 735mm, 835mm, 935mm, 1035mm, 1135mm and 1235mm.
Sizes above 1235mm are available on request.
Note: Each length can be cut to the next size down. The 335mm can be cut back to 255mm

Finishes
Silver anodised aluminium with silver end plates, and grey silicone rubber gasket. Silver anodised aluminium with bronze end plates, and black silicone rubber gasket.

Fixing
Fixing screws are supplied. This seal is mortised. Pre-drilled radiused end plates are supplied which also secure the product in place. (Square end plates available on request). 

Performance:

Acoustic: BS EN ISO 10140-2: 2010
Fire: BS 9999
Fire: BS 476: Pt. 20/22: 1987
Fire: BS EN 1634-1:2014
Smoke: BS 476: Part 31.1: 1983
Durability: 1 million cycles 
CERTIFIRE (CF5179)

UL

LAS8040 Drop Seal A medium duty automatic threshold (door bottom) seal with a high efficiency mechan... Read more
LAS8060 Drop Seal A stainless steel medium duty automatic threshold (door bottom) seal, which is spr... Read more
LAS8070 Drop Seal A stainless steel heavy duty automatic threshold (door bottom) seal which is sprin... Read more
LAS8002 si Drop Seal A face-fixed or semi-mortised drop seal with a high efficiency mechanism which lif... Read more
LAS8003 si Drop Seal A face-fixed or semi-mortised drop seal with a high efficiency mechanism whic... Read more
LAS8005 si Drop Seal A slim-line, concealed drop seal featuring a high efficiency mechanism. The seal i... Read more
LAS8006 si Drop Seal An acoustic automatic threshold (door bottom) seal which is spring-loaded to lift ... Read more
LAS8007 si Drop Seal A heavy duty drop seal which is spring-loaded to lift clear of the floor as soon a... Read more
LAS8008 si Drop Seal LAS8008 si is a face-fixed or semi-mortised automatic threshold (door bottom) seal... Read more
LAS8009 si Drop Seal An automatic threshold (door bottom) seal which is spring-loaded to lift clear of ... Read more
LAS8004 si Drop Seal Mortised, automatic ‘flat back’ seal to suit installation to metal doo... Read more
LAS8013 si drop seal A heavy duty automatic drop seal designed for optimum performance. It is spri... Read more
LAS8012 si drop seal A heavy duty automatic drop seal designed for optimum performance. It is spri... Read more
LAS8014 si drop seal A durable, heavy duty automatic drop seal featuring a wrap-around outer gasket wit... Read more