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Pyroplex fire bags are used to create temporary or permanent
fire barriers in walls and floor/ceiling
structures. They are suitable for use on concrete,
masonry, porous concretewall constructions and
concrete floor constructions.
Pyroplex fire bags are fire rated up to 2 hours and are simple
to install, remove or replace. The staggering of joints between layers
of fire bags is essential with a minimum overlap of 25mm recommended.
They contain no respirable fibres and are unaffected by moisture,
condensation and humidity.
Pyroplex fire bags are tested to BS476 Part 20:1987 and other
International Standards.
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| Typical Configurations |
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| Horizontal and Vertical Packing - Cable Penetrations |
Cable Tray Application |
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Field of Application
Pyroplex fire bags have been specifically designed for:
• Concrete, masonry and porous concrete wall constructions.
• Concrete floor construction.
Product Features
• Fire rating up to 2 hours.
• Simple to install, remove and replace - can be re-used with confidence.
• Maintenance free.
• Contain no respirable fibres.
• Unaffected by moisture, condensation and humidity.
Product Testing
Pyroplex have carried out numerous independent fire
resistance tests to confirm the suitability of the product and to
demonstrate product compliance by utilising BS476: Part 20
1987 and other international standards.
The reports have been consolidated in an Assessment Report
WF Report No. 165277 which is available on request.
Pyroplex fire bags are compliant with CERTIFIRE TS03 for
penetration sealing systems. Certificate No CF571
Product Range
| Part Number |
Length (mm) |
Width (mm) |
Thickness (mm) |
| PFB200 |
300 |
200 |
25 |
| PFB175 |
300 |
175 |
45 |
| PFB60 |
300 |
60 |
20 |
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Installation Instructions
Wall Construction:
Ensure that the substrate around the penetration is free from any
obstruction which may interfere with the installation of the fire bags.
Shake the pillows to give an equal distribution of the infil material
prior to the installation.
If the substrate is uneven it may be necessary to first render the
substrate with mortar or alternative rendering media.
Lay the pillows in to the aperture with the shortest span across the
width of the opening, laid in a brick format. Ensuring that the lower
layer is placed overlap by the top layer.
Pack the bags in the aperture around any services to the required
quantity, adding smaller pillows where necessary to fill any small
voids,where the aperture is penetrated with cable services ensure
that PFB60 is used.
Floor construction:
Prior to the installation of the bags in the floor penetration, ensure
that a wire mesh is installed on the underside of the aperture being
protected. The wire mesh sieve size measuring 50mmx 50mm and
with a gauge of 5mm diameter, mild steel. Fix the mesh into place
using a 50mm wide steel strap, secured using M8 x 65mm sleeve
anchors, spaced at 250mm centres. Do not use fixings, which rely
upon plastic or chemical fixings for retention purposes.
Ensure that the substrate around the penetration is free from any
obstruction, which may interfere with the installation of the fire
bags.
Shake the pillows to give an equal distribution of the infil
material prior to the installation.
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