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FIRE BARRIER SYSTEM
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Catalog excerpts

FIRE BARRIER SYSTEM - 1

FIRE BARRIER SYSTEM Preventing the spread of fire and inhibiting the passage of smoke in concealed spaces

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FIRE BARRIER SYSTEM - 2

FIRE BARRIER SYSTEM DATASHEET FIRE BARRIER SYSTEM ROCKWOOL Fire Barrier systems offer labour-saving solutions to prevent the passage of fire and inhibit the spread of smoke within roof and ceiling voids. This stone wool solution is suitable for void heights of up to 10.5 metres, supported by a stitched wire mesh.

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FIRE BARRIER SYSTEM - 3

FIRE BARRIER SYSTEM DATASHEET Advantages • Patented 'quick-fit' system for up to 1 hour fire resistance • Suitable for void heights up to 10.5 meters • Provides airborne sound reduction • Additional strength through wire mesh reinforcement • Service penetration data available • Fire resistance of up to 2 hours • Flexible, accommodates movement Description ROCKWOOL Fire Barrier is comprised of stone wool and has a galvanised wire mesh which is stitched to one side. Foil faced options and double sided wire mesh are also available. Fire Barrier systems have been developed to prevent the spread...

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FIRE BARRIER SYSTEM - 4

FIRE BARRIER SYSTEM DATASHEET Fire performance 2 layers of 60mm (plain or foil face) 20m 120 120 butt jointed, incorporating a 40mm 44509 aircavity between the layers. N.B. All extensions in drop height must incorporate a minimum 100mm overlap between the sections and stitched with 1.5mm galvanised wire. *All stitching must be carried out using 0.9mm annealed and galvanised wire. Continuous wire stitching (100mm minimum) or separate lengths of wire secured by twisting ends together. Wire must penetrate through thickness of barrier. Acoustic performance The correct use of Fire Barrier within...

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FIRE BARRIER SYSTEM - 5

Technical information Standard and approvals Fire Barrier Systems have been independently tested and assessed to BS 476: Part 22 by UKAS accredited laboratories. ROCKWOOL Fire Barrier system achieves a reaction to fire classification of A1 as defined in BS EN 13501:1 They are third party approved for performance and quality by the Loss Prevention Council Certification board (LPCB) and are listed in their Fire and Security 'Red Book' - certificate no. 022c. The product has been authorised for use in LUL surface and sub-surface premises when installed in accordance with this data sheet -...

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FIRE BARRIER SYSTEM - 6

FIRE BARRIER SYSTEM DATASHEET Installation ½ hour cavity barrier Figures 4-9 show typical details for Fire barrier applied to a timber truss construction as a half hour cavity barrier within the roof section, to satisfy the requirements of building Regulation B3 - (4) i.e. 30 minutes fire integrity and 15 minutes fire insulation. If the truss is constructed from a minimum timber size of 35 to 49mm thick, both sides of all truss members/bracing require protection from fire in order to minimise charring and retain strength. Figure 6 shows strips of 50mm Fire Barrier used on the reverse side...

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FIRE BARRIER SYSTEM - 7

FIRE BARRIER SYSTEM DATASHEET Figure 6 Half hour protection for timber truss construction 35 to 49mm thick. Tiled or slated roof 35-49mm thick timber trussed rafter 0.9mm wire stitching to secure strips to main barrier stitches typically 100mm long No. 10 wood screws (or large washer and screws) at maximum 450mm centres 50mm Fire Barrier Figure 7 Head of partition ROCKWOOL Fire Barrier RW clamping plate No.10 wood screws at max 450mm centres Head plate Ceiling board Figure 8 Barrier fitted transversely to timber joisted ceiling Tongues fixed at max 300mm centres Angle support fixed to...

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FIRE BARRIER SYSTEM - 8

FIRE BARRIER SYSTEM DATASHEET For fixing to concrete soffits (Figure 10-12), the pre-punched angle support is fixed using Hilti DBZ or Ejot ECL 35 hammer set anchors at max. 750mm centres. For fixing to steel purlins, use Hilti SMD 02Z (5.5 x 70mm) self-tapping screws at maximum 450mm centre. Figure 10 50mm Fire Barrier fixed to concrete soffit. Support angle fixed to soffit at max 750mm centres Angle support tangs fixed at 450mm centres Figure 11 50mm Fire Barrier running across ribbed soffit Section RW clamping plate fixed at 450mm centres Angle support fixed as Fig10 Barrier cut and...

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FIRE BARRIER SYSTEM - 9

FIRE BARRIER SYSTEM DATASHEET 60-30 Fire Barrier If 30 minutes insulation is required, use 1 layer of 60mm plain or foil faced fire barrier with 100mm vertical over lapped joints (Figure 13 & 14). The barrier is otherwise fixed for timber construction as previously shown on Figures 4-9. Figure 13

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FIRE BARRIER SYSTEM - 10

FIRE BARRIER SYSTEM DATASHEET Common Details Extended drops ROCKWOOL 50mm Fire barrier single and double layers, can be extended from a 3.5m drop to a maximum 6m drop by fixing an additional 2.5m section, stitched with overlapped joints as per Figure 16. For additional guidance and drops in excess of 6m, please refer to Figure 31 and associated guidance. Wire stitching of butt joints in ROCKWOOL Fire Barriers Adjacent barriers must be closely butt jointed, or overlapped, and through stitched with 0.9mm galvanised annealed wire (see Figure 15). It is essential that the barrier provides a...

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FIRE BARRIER SYSTEM - 11

FIRE BARRIER SYSTEM DATASHEET Penetration details It is regarded as good practice to adequately support or reinforce services penetrating compartment walls and cavity barriers, to prevent displacement. It is recommended that such supports should be no greater than 500mm from each face of the Fire Barrier. To maintain the integrity of the Fire/Cavity Barrier when penetrated by services with a high melting point (such as steel or copper pipes, beams or trusses) the barrier is first cut locally to accommodate the service or structural member and then restitched as neatly as possible. The...

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FIRE BARRIER SYSTEM - 12

FIRE BARRIER SYSTEM DATASHEET Sleeves to be stitched to main barrier Off-cuts of Fire Barrier to be packed tightly into purlin void 1 Hour Fire Barrier The unique, patented ROCKWOOL support angle and clamping plate is used to fasten two 50mm Fire Barrier curtains with one support angle without the need for a cavity. The ROCKWOOL support angle has tongues that are pushed out from opposite sides at 300mm max. centres. The ROCKWOOL Fire Barriers are then impaled on the tongues on both sides and clamped using the ROCKWOOL clamping plates. The tongues are finally bent over the clamping plates,...

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