Sealmaster is a division of  Dixon International Group Limited

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Sealmaster Dropseal

Sealmaster Dropseal

Sealmaster Automatic Dropseal has been engineered to fill the gap between the door bottom and the floor or threshold plate. The seal is operated automatically by pressure against the door jamb on its adjustable plunger. The spring loaded mechanism ensures a self levelling sealing along the entire door bottom length. The mechanism retracts into the aluminium case when the door is opened.
We provide the dropseal in lengths of 535mm, 635mm, 735mm, 835mm, 935mm, 1135mm and 1025mm all supplied with end clips for easy fitting. Can be used in conjunction with the Sealmaster Delta and Double Fin Acoustic Seals.

Technical Information
The Sealmaster dropseal has been tested to BS EN 1634-1 2014 BS EN 1363-1 2012 and BS476 Part 22. Test data available on request. It has been durability tested to over 1,000,000 cycles. Test evidence on request. The case and carrier is Aluminium ENAW 6060 T6 with an extractable internal mechanism with steel leaf springs, the seal is in self extinguishing silicone VMQ..

Suitable for new and retro fit projects, the dropseal provides smoke containment along with acoustic properties as part of an acoustic sealing system. The seals are provided with detailed fitting instructions and are routed into the door bottom, stainless steel clips and screws are provided. Our technical team are happy to provide advice on applications and fitting. Available ex stock.



  • Dropseal