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Sealmaster IMN/IMP - 30 Minute Fire & Smoke Seal
Sealmaster IMN/IMP - 30 Minute Fire & Smoke Seal
 

Sealmaster IMN/IMP 30min double door seal


IMN/IMP - 30 Minute Fire & Smoke Seal

Description
At the meeting stiles the seal consists of two opposing extruded aluminium alloy profiles - IMN and IMP - each with twin reservoirs which contain substantial reserves of Sealmaster intumescent material. IMN also holds a self-extinguishing elastomeric blade, which rest against IMP when the doors are closed. At the head and hanging stiles IMN is used on its own with the smoke seal making contact with the door or frame.

Applications
In new doorsets, both profiles are rebated into the centre of opposing door edges at meeting stiles. Where IMN/IMP is fitted to an existing door assembly, the stiles of the door are easily rebated. The seal is interrupted at the hinges and lock/latch striker plate positions, and protection at these points is normally not essential for FD30S doors (see BS 8214).

Normal Use
In normal use, the elastomeric blade seals the gap between the doors, and acts as an efficient draught seal.

Fire Performance
As the fire develops, the elastomeric blade provides a barrier to the passage of smoke and hot gases. Once the fire reaches the IMN/IMP seal, the intumescent material foams, swells and fills the gaps between the doors. Since the foam remains soft during the period of intumescent action, it exerts minimal pressure, allowing the doors to remain in their original positions.

Authority
An IMN/IMP combination seal with elastomeric blade insert, has been tested on a double leaf, timber door assembly by TRADA. A fire resistance in excess of the 60 minutes was achieved. Copies of test results are available on request.

Certifire Approved
IMN/IMP fire and smoke seals have been tested and approved by Certifire to conform to BS476 part 22. This is the most demanding 3rd party certification scheme in the industry.

Sold and priced in 1050mm lengths


MPN: IC/IMN30
Seal Type
m


Our Price: £23.08

Prices include VAT.



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