A cavity fire barrier system for ventilated cavities of up to 450 mm.
The VFB 120/120 can be mechanically fixed horizontally within ventilated cavities behind external wall 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.
An ’Open State’ cavity fire barrier system for ventilated cavities of up to 450 mm. The VFB 120/120 employs a high expansion intumescent seal fixed to high-density mineral wool. The product has undergone extensive fire testing to the general principles of BS EN 1363-1 and ASFP TGD19 (Fire Resistance Test for ‘Open-State’ Cavity Barriers). Features and benefits: Up to 120 minutes integrity/ insulation. Maintains 25 mm air gap. Up to 450 mm cavities.
Features and benefits:
(Total cavity less 25 mm air gap) x 75 x 1000 mm.
P12/40 Mineral wool rigid batts
P12/360 Mineral wool rigid batts
Tested in accordance with ASFP Technical Guidance Document TGD 19.
Fire resistance: 120/ 120 integrity/ insulation to BS EN 1363-1 and EOTA TR31.
Mineral wool section, polythene sleeved with continuous intumescent strip fixed to leading edge.
For ventilated cavities of up to 300 mm. Insert requirements.
Up to 100 mm cavity.
2 No. multipurpose brackets and 4 no. pigtail screws.
101–240 mm cavity.
3 No. multipurpose brackets and 4 no. pigtail screws.
241–300 mm cavity.