Lorient LAS8002 si Fire Door Automatic Drop Seal is face-fixed (or semi-mortised) and features a silicone rubber gasket and internal fins. It is used to close the compliant gap under single swing fire doors to maintain their acoustic, smoke, and energy efficiency performance.
The drop seal incorporates a high-efficiency spring-loaded mechanism that extends the seal as the fire door swings shut and automatically retracts it as the fire door is opened by just a few centimeters
Also available as a hot smoke seal (LAS8002 si HSS)
This smoke and acoustic seal is successfully tested on Fire Doors to comply with AS1905.1
An effective acoustic sealing solution that can easily be retrofitted to existing door assemblies.
Dual internal sealing fins enhance acoustic and smoke containment performance.
Quick and easy installation.
Can be fitted semi-mortised for a flush finish.
Supplied with a fire rated silicone rubber gasket and aesthetic push-fit end caps.
Fully automatic, no power connection required.
Simple adjustment to suit varying door gap requirements.
Proven long term reliability
435mm (may cut back to 335mm)
535mm (may cut back to 435mm)
635mm (may cut back to 535mm)
735mm (may cut back to 635mm)
820mm (may cut back to 735mm)
920mm (may cut back to 820mm)
1070mm (may cut back to 920mm)
1220mm (may cut back to 1070mm)
1400mm* (may cut back to 1220mm)
1600mm* (may cut back to 1400mm) *Non-standard sizes do not hold test evidence for the approval for use.
Seals gaps up to 13mm, however maximum gap allowed under Fire Doors is 10mm according to AS1905.1
Greater gaps can be sealed if the product is used with a threshold plate notwithstanding Australian standards and fire door manufacturers' requirements related to fire doors
Face-fixed or semi-mortised. Fixing screws are supplied
Silver anodized aluminium with grey push-fit end caps and grey silicone rubber gasket
Approved for use on proprietary fire door assemblies for Bushfire attack levels of Flame Zone (FZ) classification or less
Acoustically tested in accordance with ISO10140-2 and AS/NZS717.1 with ratings up to 37Rw on appropriate rated assemblies.
Tested in accordance with AS1530.7 with medium temperature smoke approvals for use on AS6905 compliant smoke door assemblies.
Conforms with BCA Specification C3.4 smoke sealing requirements.
Tested in accordance with AS1530.4 on proprietary AS1905.1 fire door assemblies for up to 4 hour rating
Please check with your door manufacturer for approvals
By purchasing any product from us, you agree to the following terms of the sale: Before making your purchase, you accept full responsibility for ensuring that the products you are about to purchase have been tested in accordance with relevant Australian standards and building codes such as AS1530 and AS1905 and are compliant to be used on the fire door manufacturer's door type intended to be used, ensuring purchased items do not compromise the selected fire door assembly’s established fire resistance level
BULKY ITEM - EXTRA FREIGHT CHARGES MAY APPLY. We will contact you after your order is processed to confirm freight pricing. Alternatively, please contact us prior to placing your order for a freight quote
Non-refundable item - unless faulty
This item has a handling time of 3 to 5 business days after payment is made