Verifierad av tillverkaren för 11 månader sedan
Cavity size 40–100 mm
Suited to a ventilated cavity with a maximum air gap of 25 mm and consists of a specially formulated fire rated rock mineral fibre section with an integral high expansion intumescent seal attached.
Applied horizontally along the compartment line to suit ventilated cavities up to 450 mm, typically with rain screen cladding or similar and will suit most construction types to provide up to 180 minutes of Integrity and 180 minutes of insulation.
This is possible subject to details, please consult the Nullifire or illbruck Specification Team). Nullifire FV125 is designed to be complimented by Nullifire FJ260 Non-ventilated cavity fire barriers applied to the vertical compartment lines.
Nullifire FV125 ventilated cavity fire barriers are ’open state’ cavity fire barriers for ventilated cavities of up to 450 mm.
Each Nullifire FV125 ventilated cavity fire barrier consists of a specially formulated fire-rated stone mineral wool section with an integral high expansion intumescent seal fixed to the leading edge.
The Nullifire FV125 ventilated cavity fire barrier then leaves a maximum 25 mm air gap to allow for drainage and maintain ventilation in normal use. In a fire situation, the intumescent seal rapidly expands to seal off the air gap and prevent vertical fire spread within the external wall.
Nullifire FV125 ventilated cavity fire barrier has undergone extensive fire testing following the principles of ASFP TGD19 (Fire Resistance Test for ‘Open-State’ Cavity Barriers).
Nullifire FV125 ventilated cavity fire barriers are mechanically fixed horizontally within ventilated cavities behind the external wall substrate following the fire compartment line.
Nullifire FV125 ventilated cavity fire barriers are used horizontally and can be installed in conjunction with Nullifire FJ260 Non-Ventilated Fire Barriers which provide vertical fire separation along fire compartment party wall lines.
Färg | Beige Vägledning för specifikationsalternativ: Stone wool. Blue Vägledning för specifikationsalternativ: Polythene sleeve. Grey Vägledning för specifikationsalternativ: Intumescent band. |
Material | Mineral wool Stone wool Polythene Intumescent |
Form | Rectangle |
Längd | 1000 mm Vägledning för specifikationsalternativ: As standard. |
Bredd | Bespoke Vägledning för specifikationsalternativ: Varies = total cavity width minus 25 mm. |
Höjd | 75 mm |
Garantibeskrivning | Other Vägledning för specifikationsalternativ: Any product which has been applied (a) in accordance with Tremco CPG UK Ltd written instructions and (b) in any applications recommended by Tremco CPG UK Ltd, but which is proved to be defective, will be replaced free of charge. |
Uniclass | |
CAWS | P10/435 Ventilated cavity barriers P10/77 Ventilated cavity barriers |
Klassificeringsdata | |
Standard | Tested and certified in accordance with ASFP Technical Guidance Document TDG19. Vägledning för specifikationsalternativ: Tested and certified in accordance with ASFP Technical Guidance Document TDG19 at least 60 minutes integrity and 60 minutes insulation up to 300 mm wide cavities. Up to 60 minutes integrity and insulation in 450 mm wide cavities. |
Fire performance | Fire-rated for up to 180 minutes. Vägledning för specifikationsalternativ: Depending on the application. Consult manufacturer and insert requirements. |
Material | Mineral stone wool, polythene sleeve and intumescent band. |
Thickness | 6 mm. Tillverkarens vägledning+10/-0 mm. |
Cavity width | Vägledning för specifikationsalternativ: Consult manufacturer and insert requirements.
Tillverkarens vägledning+5 mm/0 mm. |
Air gap | 25 mm. Vägledning för specifikationsalternativ: Maximum. |
Length | 1000 mm. Vägledning för specifikationsalternativ: As standard. Other. Vägledning för specifikationsalternativ: Can be cut to length. Tillverkarens vägledning+0 mm/-5 mm. |
Bond | Screw fixed. |
Form | Rectangle. |
Colour | Stone wool (beige), polythene sleeve (blue), intumescent band (grey). |
Durability | Type X. Vägledning för specifikationsalternativ: Intended for use in conditions exposed to weather (UV, rain and frost). |
Service temperature | -20°C to + 70°C. |
Life expectancy | ≥60 years. Vägledning för specifikationsalternativ: UK, at least 60 years (refers to the active intumescent component). Shelf life - unlimited when stored as recommended. |
Installation accessories | Drill. Drill bit and driver. Appropriate self-tapping screws/fasteners. Tape measure. Levelling device. Saw. Tillverkarens vägledningConsult manufacturer for guidance. |
Execution | Vägledning för specifikationsalternativ: In strict accordance with the manufacturers Technical Data Sheet, Test Data and separately available detailed NBS Product Specification. The principal designer must approve the use of any cavity barrier, whether open-state or full-fill, in conjunction with the products fire classification reports, taking full account of the whole construction of the external wall systems and the components, including any requirements of the Building Regulations and Warranty provider standards. |
Materialets ursprungsland | United Kingdom |
Produktens tillverkningsland | United Kingdom |
Material | Mineral wool Stone wool Polythene Intumescent |
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