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VFB60/60 - Ventilated Cavity Fire Barrier

Verified by manufacturer 5 months ago

Tenmat Limited Third party certifications:
  • IFCC

    IFCC

    Certificate type

A cavity fire barrier system for ventilated cavities of up to 450 mm.

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Application

The VFB 60/60 can be mechanically fixed horizontally within ventilated cavities behind rainscreen or cladding systems to act as a cavity fire barrier, and can be complemented by the NVFB for vertical applications. Suitable for use within the majority of construction types.

Description

Tenmat’s VFB 60/60 Ventilated Fire Barriers are ’open state’ cavity fire barriers for ventilated cavities of up to 450mm. Each VFB 60/60 consists of a specially formulated fire rated stone mineral wool section with an integral high expansion intumescent seal fixed to the leading edge.


The VFB 60/60 then leaves a maximum 25mm 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.


The products have undergone extensive fire testing following the principles of BS EN1363-1 and in accordance with ASFP TGD19 (Fire Resistance Test for ‘Open-State’ Cavity Barriers).


The VFB 60/60s are mechanically fixed horizontally within ventilated cavities behind the external wall substrate following the fire compartment line. The VFB 60/60s are used horizontally and can be installed in conjunction with Tenmat NVFB Non-Ventilated Fire Barriers which provide vertical fire separation along fire compartment party wall lines.


Features and benefits:

  • 3rd Party Certification - IFC Certification
  • CCPI Verified
  • Typical Fire Ratings of minimum 60 Minutes Integrity and Insulation
  • Higher Fire Ratings available dependent on application
  • Maintains a 25mm air gap
  • Up to 450mm cavities tested
  • Standard thickness of 75mm
  • Durability and Age Tested
  • Fixing brackets included as standard

General information

Color

Black

Material

Mineral wool

Shape

Rectangle

Length

1000 mm

Manufacturer guidance

(Total cavity less 25 mm air gap) x 75 x 1000 mm.

Uniclass

Pr_25_80_80_44 Intumescent sleeved mineral wool cavity fire barriersPrimary
Pr_25_80_80_79 Sleeved mineral wool cavity barriers

CAWS

H92/776 Thermal insulation

P10/420 Sleeved mineral wool small cavity barriers

P12/360 Mineral wool rigid batts

P10/70 Sleeved small cavity barriers

P12/40 Mineral wool rigid batts

Specification data - Intumescent sleeved mineral wool cavity fire barriers

Standard

Tested and certified in accordance with ASFP Technical Guidance Document TDG19.

Fire performance

Fire resistance, 60/60 integrity/ insulation to EN1363-1 / ASFP TGD 19

Thickness

75 mm.

Cavity width

-

Manufacturer guidance

For ventilated cavities of up to 300 mm. Insert requirements.

Air gap

25 mm.

Attachment

Screw fixed.

Guidance for specification option:

Up to 100 mm cavity.

2 No. multipurpose brackets and 4 no. pigtail screws.

Guidance for specification option:

101–240 mm cavity.

3 No. multipurpose brackets and 4 no. pigtail screws.

Guidance for specification option:

241–300 mm cavity.

Third party certifications

IFCC

IFCC

VFB60/60 - Ventilated Cavity Fire Barrier 3rd Party Certification

Literature

VFB 60/60 Ventilated Cavity Fire Barrier Datasheet

VFB 60/60 Ventilated Cavity Fire Barrier Datasheet

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