7-Intumescent_wrap

Intumescent Wraps

Flexible intumescent wraps to seal gaps and voids around cables and pipes. (PRODUCT 7)

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  • Description
  • APPLICATION INSTRUCTIONS
  • DOWNLOADS
  • ORDER REFERENCES

Product Description

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This range comprises three types of very economical foil-clad intumescent wraps for pipes and cables. Use around pipes or cables in brick or block walls, and in concrete floors. Also for use with Products 4, 5, and 6. The wrap is pushed into the hole, leaving a 10mm gap back from the wall face for pointing with sand and cement or slab coating. The wraps will seal the void around PVC pipes and cables, and cool steel pipes when attacked by fire – an economical way to protect services. A label is supplied to adhere to treated pipes or cables for identification to the relevant authorities. See also Envirograf® Products 25 & 110 for cable and pipe protection. The products offer up to 4 hours’ protection. Please state the required protection period when ordering.

 

ADVANTAGES

  • Used for fire-stopping gaps around cables and pipes from 15mm-600mm diameter as they pass through block and brickwork walls, floors or ceilings
  • Will crush melting PVC or UPVC pipes/cables in a fire, filling the gap to prevent fire and smoke spreading
  • Provides effective insulation for metal pipes, absorbing the heat from the pipe to prevent it from spreading through the structure
  • 25mm wraps will provide 1 hour protection, 30mm wraps will provide 3 hours protection, 50mm and 100mm wraps will provide 3-4 hours
  • Available in a continuous 10m roll which can be cut to size to fit services of practically any diameter
  • Range also includes a repair kit which can be used to fill small openings around existing services, offering up to 2 hours fire resistance
  • Materials will not degrade, lasting a lifetime in-situ

 

FIRE TEST PERFORMANCE

Tested to BS476 Parts 20/21/22 (1987) on sealing penetrations of various pipes passing through different types of floors and walls, achieving integrity results of up to 249 minutes.

Tested at VNE to European Standard EN1363-1 (2000).

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APPLICATION INSTRUCTIONS

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Wrap around the pipe or cable at the point where it passes through the wall, floor or ceiling The attached adhesive strip is then used to fix both ends of the wrap together Push the wrap into the hole around the service, leaving 10mm protruding from the wall face which can be pointed around as required.

 

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DOWNLOADS

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Please use the links below to download relevant information as PDF documents:

 

Technical Information

TD007-09-2012

 

Application Instructions

AP007-11-2012

 

COSHH Data

HS007-07-2015

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ORDER REFERENCES

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 REF PIPE SIZE INTERNAL DIAMETER INTERNAL WRAP DIAMETER EXTERNAL WRAP DIAMETER  
EW 18 015mm 018mm 022mm
EW 25 022mm 025mm 029mm
EW 33 025mm 033mm 041mm
EW 40 032mm 040mm 048mm
EW 50 040mm 050mm 058mm
EW 55 050mm 055mm 063mm
EW 60 055mm 060mm 068mm
EW 83 065mm 083mm 095mm
EW 90 075mm 090mm 102mm
EW115 100mm 115mm 131mm
EW135 125mm 135mm 155mm
EW150 130mm 150mm 170mm
EW165 150mm 165mm 189mm
EW215 175 or 200mm 215mm 243mm
EW250 225mm 250mm 282mm
EW300 250mm 300mm 340mm
EW350 250mm 350mm 394mm
EW400 350mm 400mm 452mm
EW450 400mm 450mm 506mm
EW500 450mm 500mm 564mm
EW600 500mm 600mm 676mm

 

Available with fire ratings :

1 hour rating – 25mm depth;     3 hours rating – 30mm – 50mm depth;     4 hours rating – 50mm – 100mm depth

NB: EW—/1 = 1 hour; EW—/3 = 3 hours; EW—/4 = 4 hours

 

 

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