About RSF Foiled Sponge Rain Screen Barrier
Intumescent impregnated sponge barriers with fire and smoke stopping capabilities, clad in moisture resistant foil (RSF). Available in both Unventilated with an intumescent strip or a Ventilated form to allow for free air movement .
The Unventilated barrier with an intumescent strip is fitted a thick, front-facing strip of intumescent material that will expand outwards in a fire. The purpose of this barrier is to allow an air gap for free ventilation.
It is available in a range of widths allowing for a continuous air gap of up to 25mm up to 40mm. The Cavity Barrier combines high-density sponge with an intumescent coating on both sides and an intumescent strip which, in the event of a fire will seal the ventilation gap.
Supplied in 1220mm lengths with 3 fixing brackets per length.
All are fitted with bracket fixings.
Depending on the fire rating required, the barrier can have different thickness:
a. 40mm thick barrier for 30/60 minutes fire rating
b. 50mm thick barrier for 120 minutes fire rating
The range has been especially designed to offer excellent passive fire protection for rainscreen and other types of cladding.
It can be used as a horizontal or vertical barrier.
This range uses fireproof sponge instead of rockwool, which offers many advantages:
- The barrier is much thinner and offers better fire rating
- Easy to fix - no face masks needed (non-fibrous)
- Fixing brackets already in place - fix with screws, nails or spit nails.
The barrier must be mechanically fixed to the substrate at maximum 500mm centres with non- combustible fixings.
When fixing the brackets into the barrier, ensure they are fully pushed and centered in the middle.
When attaching to the wall, ensure there are no gaps between the substrate and the barrier.
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