FFB-VS50 VentiStop - Open State Cavity Barrier - Ventilated Fire Barrier
Verified by manufacturer 8 days ago
Foil-faced stone wool with a black intumescent leading edge. Effective ventilated fire barrier designed to close the void between the inner and outer construction elements.
Application
Horizontal cavities between the inner and outer construction elements.
Description
Effective ventilated fire barrier designed to close the void between the inner and outer construction elements.
FFB-VS a foil-faced stone wool pre-cut unit, which has a powerful intumescent graphite strip bonded to the exposed face.
The intumescent graphite strip is pre-wrapped with a durable polythene adhesive sheet to prevent water ingress.
Designed to provide a 50 mm ventilation gap, that allows air flow and moisture to pass down the back of the cladding.
Under fire conditions, the powerful intumescent along the front edge expands horizontally to close the gap and prevent the passage of fire.
Features and benefits:
- Tested up to 120 minutes' integrity and 45 minutes' insulation utilizing the heating and pressure conditions of EN 1363-1: 2017 and ASFP TGD19: 2014 - Open State Cavity Barriers.
- Voids up to 450 mm wide.
- Free of halogens, asbestos, fibres and silica and is non-toxic.
- Long life expectancy.
- Contributes to green building.
- Also available for 25 mm ventilation gaps (FFB-VS) or high performance (FFB-VS HP80); both specified separately.
General information
Color | Silver White |
Finish | Foil |
Material | Stone wool |
Shape | Rectangle |
Length | 1000 mm |
Width | Bespoke |
Height | 80 mm |
Uniclass | |
CAWS | P10/77 Ventilated cavity barriers P10/435 Ventilated cavity barriers P10/420 Sleeved mineral wool small cavity barriers P10/70 Sleeved small cavity barriers |
SKU Code | 545628, 545629, 545630, 545631, 545632, 545633, 545634, 545635 |
Specification data - Intumescent sleeved mineral wool cavity fire barriers
Standard | Tested and certified in accordance with ASFP Technical Guidance Document TDG19. |
Third-party certification | Certificate number IFCC 1827. |
Fire performance | Tested up to 120 minutes' integrity and 90 minutes' insulation. |
Material | Stone wool lamella, foil-faced with intumescent graphite strip bonded to exposed face. Guidance for specification option: The intumescent graphite strip is pre-wrapped with a durable polythene adhesive sheet to prevent water ingress. |
Thickness | 80 mm. |
Cavity width | 51–100 mm. Guidance for specification option: FFB-VS50/51-100. 101–150 mm. Guidance for specification option: FFB-VS50/101-150. 151–200 mm. Guidance for specification option: FFB-VS50/151-200. 201–250 mm. Guidance for specification option: FFB-VS50/201-250. 251–300 mm. Guidance for specification option: FFB-VS50/251-300. 301–350 mm. Guidance for specification option: FFB-VS50/301-350. 351–400 mm. Guidance for specification option: FFB-VS50/351-400. 401–450 mm. Guidance for specification option: FFB-VS50/401-450. Manufacturer guidanceProvide TOTAL cavity width for your application, excluding any insulation there might be. |
Air gap | 50 mm (nominal). |
Attachment | Multi Purpose Bracket 230. Guidance for specification option: 563201. A2 stainless steel fixing bracket, 230 x 25 x 1 mm. Multi Purpose Bracket 390. Guidance for specification option: 551868. A2 stainless steel fixing bracket, 390 x 25 x 1 mm. Multi Purpose Bracket 500. Guidance for specification option: 551954. A2 stainless steel fixing bracket, 500 x 25 x 1 mm. Multi Purpose Bracket 600. Guidance for specification option: 570346. A2 stainless steel fixing bracket, 600 x 25 x 1.5 mm. Other. Guidance for specification option: Insert requirements.
Manufacturer guidanceFixing points: 300 mm. |
Accessories | None. FCI cassette tray infill. Guidance for specification option: 554125. 50 mm infill with self-adhesive tape. 1200 x 100 x 50 mm. RSI rainscreen intumescent. Guidance for specification option: 553244. 25 m roll intumescent strip, 80 x 2 mm. Aluminium foil tape. Guidance for specification option: 558505. 45 m roll of 100 mm-wide aluminium foil tape. |
Density | Stone wool: 90 kg/m³; intumescent:1.3 g/cm³. |
ActivationTemperature | 180°C. |
Weather resistance | Yes. |
Technical characteristics, other | Closure time: <5 minutes. |
Sustainability data
Material | Stone wool |
A1-A3 (production stage) | Embodied carbon as defined in BS EN 15804 |
Normalised unit | 1.3 kg CO₂ eq/kg |
Declared unit | 145 kg CO₂ eq/m³ Self-declared |
Literature
Literature type
FFB-VS VentiStop Cavity Barrier - Datasheet
Rainscreen Cavity Barriers Brochure
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