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Flexifin Twin blade, intumescent smoke and acoustic seal. Co extruded blades off centre
flexifin-extruded-twin-centre-blade

Pyrostrip 100PSS Flexifin Co-extruded Smoke Seal

Intumescent fire, smoke and acoustic seal

Our co-extruded Flexifin seals provide an integrated solution to problems of fire spread, cold smoke leakage and acoustic insulation. Available in both centred and off-centred designs, Flexifin not only offers highly effective sealing but also allows doors to return to their closed position with minimum resistance.

Often preferred in certain environments to standard brush pile, these seals provide greater acoustic sealing performance and are ideally suited to hospitals, clean rooms, computer rooms or food preparation areas.

The fin blades are made from high-performance thermoplastic, fused to a rigid pvc holder in the manufacturing process, containing either our 100 or 500 intumescent material.

Fire tested to BS 476: Part 22: 1987 and smoke tested in accordance with BS 476: Part 31: 1987.

  • Choice of Pyrostrip intumescent materials
  • Choice of standard colours – white, light and dark brown, light and slate grey, black, cream and red
  • Choice of standard lengths – 1000mm, 1050mm, 2050mm.,2100mm
  • Non-standard colours and lengths available on request
  • Twin Fin available in 5mm blade height
  • Proven fire resistance from 30 – 60 minutes
  • Excellent acoustic sealing performance
  • Easy to wipe clean and keep bacteria free for use in hospitals, surgeries, clean areas etc.
Mann McGowan standard colours

Technical

Pyrostrip Flexifin Co-extruded seals are supplied with twin fins that are thermally fused to the PVC sheath and can be supplied in the following sizes, colours and finishes.

Standard Sizes:

10 x 4mm, 15 x 4mm, 20 x 4mm, 25 x 4mm, 30 x 4mm, 38 x 4mm

Standard Lengths:

1000mm , 1050mm, 2050mm, 2100mm.

Non Standard Lengths:

Non standard lengths can be produced. Please contact our Sales Office.

Standard Colours :

White, Light Brown, Dark Brown, Light Grey, Slate Grey, Black, Cream, Red.

Non Standard Colours:

A wide range of non standard colours can be produced. Please contact our Sales Office.

Fin Seal:

Twin Fin available in blade height of 5mm.

Choice of Intumescent core:

100 Palusol based white core or 500 Graphite dark grey.

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