The Drop Seal is a high performance smoke containment, weather & acoustic sealing solution.


The drop seal is suitable for new and retro fit projects, the dropseal provides smoke containment along with acoustic properties as part of an acoustic sealing system.

The drop seal is provided with detailed fitting instructions on how to route it into the door bottom, stainless steel clips and screws are provided.


Sealmaster automatic drop seal 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.


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.

Product ref: DRP2712

Certifications: Certifire

Product categories: Threshold Seals



Please Quote, (Product Ref/Size/Colour/Quantity) (Example: DRP/1.05m/SatinSilver/100)

Max 1135mm
Satin Silver


Contact Sealmaster

If you are in need of assistance, please call the number or fill in the form below.

Call us on 01223 832851

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