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The Sealmaster N60 is a combined intumescent fire door smoke seal that provides 60 minute fire performance and is ideal for single acting single leaf and double leaf fire and smoke resistant door sets. The N60 fire and smoke seal is suitable for doors that can only move in one direction. Rebated into the head and jambs of the door frame, the N60 has to be aligned with the centre of the door edge. Where N60 Intumescent Fire and Smoke Seal is fitted to an existing door assembly, the top rail and stiles of the door are easily rebated. The seal is interupted at the hinges and lock/latch plate positions, in which protection at these points can be provided by Sealmaster Intumescent Plugs.
The fire door seal comprises of an extruded alluminium alloy profile with a single reservoir filled with a Sealmaster intumescent material. An angled self-extinguishing elastomeric blade gives maximum efficiency with minimum drag. In normal conditions, the elastomeric blade seals the gap between the door and the frame, and acts as an efficient draught seal.
When exposed to fire, the intumescent material in Sealmaster N60 seal foams and swells to fill the gaps between the door and the frame. Since the foam remains soft during the period of intumescent action, it does not prevent the door from being opened by firefighters and the copious reserves ensure that the gap will be re-sealed should the door distort for any reason.
The Sealmaster N60 intumescent fire door seal has been tested by TRADA offering 71 minute stability, integrity and insulation. It has also been successfully tested to BS 476 part 22 and approved by Certifire.
The extrusion width for the Sealmaster N60 is 21mm and the extrusion depth is 7.5mm. It is recommended that the groove is routed to give a ‘light press fit’ for the extrusion, whereby the seal should finish flush with the timber. The recommended door-to-door gap and door-to-frame gap is 3mm. Available in standard lengths of 1050mm or 2100mm.
Brand: Sealmaster
Use Case: Fire, Smoke
Applications: Doors
Test Certification: TRADA Tested, Certfire Approved BS476 Part 22
Fire Rating: 60 Minutes
Material: Aluminium Carrier, Mono-Ammonium Phosphate Intumescent, Elastomeric Rubber Blade Insert
Finish: Silver
Fixing: Rebated
Included: 1x Sealmaster N60 Intumescent Fire Door Smoke Seal
Length mm: 1050mm, 2100mm
Width mm: 21mm
Thickness mm: 7.5mm
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