5-Intumescent-coated_non-fibrous_slab

Intumescent-Coated Non-Fibrous Slabs

Non-fibrous intumescent slabs that can be cut to allow services to pass through. (PRODUCT 5)

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  • Description
  • APPLICATION INSTRUCTIONS
  • DOWNLOADS
  • ORDER REFERENCES

Product Description

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A high density, fire-stop sponge with white intumescent coating on both sides, or black coated sponge easily cut with a sharp knife and painted over or decorated. Jointing compound supplied. Suitable for use as a permanent fire barrier, where no fibres are permitted. such as clean/sterile areas. For use in floors, walls, etc, and where high acoustic and thermal properties are required.

 

ADVANTAGES

  • Due to its high density, it can be used for large openings in floors, walls and ceilings
  • Non-fibrous material is ideal for use in sterile areas or clean rooms
  • Ideal for use under raised flooring as a firebreak, providing 1-4 hours fire protection

 

FIRE TEST PERFORMANCE

Tested to BS476 Part 22 (1987), achieving integrity of 126 minutes.

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

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APPLICATION INSTRUCTIONS

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Envirograf NF Slab is cut to suit the opening size and you cut around any services like a jigsaw, adhering each section or joint with the jointing compound.  Where services are PVC, i.e. Pipes and cables, Envirograf Wraps should be used, 50mm wraps for two hour fire protection and 100mm wide wraps for four hour protection. The wraps can also be fitted around steel, copper and aluminium pipes to stop the pipes overheating and passing the heat from one side to the other of the fire barrier.  When fitting NF Slabs in a floor opening and the mesh is being used to help supports the slabs, the wire mesh should be laid into the opening, bending up the sides and fixed with screws, raw-plugs and large washers, or split nailing with large washers.  Then lay the slab on top of the mesh adhering all the sides with jointing compound and all cut joints. The whole barrier will dry hard in 10 minutes.  Where cable trays pass through the barrier so Envirograf Intumescent E1/20/30 should be fitted over cables.

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DOWNLOADS

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

 

Technical Information

TD005-09-2012

 

Application Instructions

AP005-11-2012

 

COSHH Data

HS005-05-2015

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ORDER REFERENCES

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REF THICKNESS SLAB SIZE PROTECTION                                                                  
NF50/5 50mm 500mm x 1000mm 2 hours                  White Coated
NF50/7 50mm 750mm x 1000mm 2 hours                  White Coated
NF50/10 50mm 1000mm x 1000mm 2 hours                  White Coated
BNF50/5 50mm 500mm x 1000mm 2 hours                  Black Coated
BNF50/7 50mm 750mm x 1000mm 2 hours                  Black Coated
BNF50/10 50mm 1000mm x 1000mm 2 hours                  Black Coated

 

* Jointing compound supplied

 

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