N60S/IMP Combined Intumescent Fire & Smoke Seal
In new doorsets, both profiles are rebated into the centre of opposing door edges at meeting stiles. Where N60S/IMP Combined Intumescent Fire and Smoke Seals are fitted to an existing door assembly, the stiles of the door are easily rebated. The intumescent fire and smoke seal is interrupted at the lock/latch striker plate and pivot positions, and protection at these points is is provided by Sealmaster Intumescent Plugs for 60 minute doors.
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