An automatic drop seal with a high efficiency mechanism which lifts the seal clear of the floor as soon as the door is opened by a few millimetres; resulting in lower door operating forces. It requires no power connection.
Tested for acoustic performance with BS EN ISO 10140-2: 2010. Meets the smoke leakage performance requirements of BS 9999 and is used for sealing the threshold of door assemblies against leakage of ambient temperature smoke, as defined in BS 476: Part 31.1: 1983.
Suitable for use on timber fire doors for up to 60 minutes under conditions of BS 476: Pt.20/22: 1987 and BS EN 1634-1: 2014.
Tested for reliability, the seal completed 1,000,000 cycles without failure.
Location
Single swing doors. For use on both right and left handed doors.
Use with
Any perimeter seal, any threshold plate.
Min/max gap size
1mm / 13mm
Seal material
Grey or black silicone rubber.
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.
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). Self-levelling on uneven surfaces. Can be adjusted independently of the fixing screws. Silver anodised aluminium with silver end plates, and grey silicone rubber gasket. Silver anodised aluminium with bronze end plates, and black silicone rubber gasket.
LAS4002 Threshold Seal, 1.0 metre length, 2.1 metre lengths.
Description
Used where the door sill is uneven, this threshold plate creates a level sealing surface that greatly enhances the ability of door bottom seals to restrict the passage of sound, smoke, energy or weather.
Creates a flat sealing surface.
Enhances the performance of other sealing systems. Slim-line geometry satisfies AS1428.1 access for people with disability requirements.
Durable hard wearing anodised finish 40 x 5 mm.
Specification
Fire: Approved for use on proprietary AS1905.1 fire doors for up to 4 hour fire rating. Smoke: Tested in accordance with AS1530.7 on AS6905 compliant door assemblies. Sound: Acoustically tested as part of a system in accordance with ISO10140-2 and AS/NZS717.1.
1m and 2.1m. Other lengths available to special order. Minimum 6mm door undercut, Silver anodised aluminium.
Additional Information
Mechanically fixed to threshold with supplied screw pack or adhered with construction adhesive.
Technical PDFs
LAS8001 si Drop Seal.pdf
Date Added: 17/08/2017
File Type: pdf
Certifications
CF5179 Batwing-Dropseals.pdf
Date Added: 04/10/2017
File Type: pdf