Rockwool Fire Barrier
Fire stopping solution for pitch roof voids, heads of walls and concealed ceiling spaces to slow the spread of flames and smoke.
Offers fire resistance upto 2 hours.
Can be used in voids up to 10.5m high.
Non-combustible – Euroclass A1.
Patented quick fit system providing fire resistance for up to 1 hour.
Made from diabase rock, which is a renewable and plentiful natural resource.
Does not contain gases that have ozone depletion potential (ODP) or global warming potential (GWP).
Thicknesses and Availability:
This Rockwool Range includes the following readily available product thickness: 50mm.
The following thickness will need to be sourced from the manufacturer and may have minimum order requirements: 60mm.
General information about Rockwool Fire Barrier
Prevents the spread of fire and smoke
Rockwools fire barrier system, Rockwool Fire Barrier, is suitable for use in pitch roof voids, heads of walls and concealed ceiling spaces where the prevention of spread of fire and smoke is required.
Durable non-combustable stone wool spun from volcanic rock, compressed and resin bonded into slabs
Unfaced and foil-faced options are available
|Thickness||50mm to 60mm|
|Roll Length||3.7m and 3m (dependant on thickness)|
Buy Rockwool Fire Barrier
Limited stock of the plain Rockwool Fire Barrier 50mm is held at most of our depots. Where we need to bring stock in from the manufacturer, please allow up to 2 weeks for delivery
- Generally 1 or 3 working days for delivery
- Generally 1 to 5 working days for delivery
- Generally 5 to 10 working days for delivery
- Special request or made to order item, allow extended lead times. Minimum order levels may apply.
- Please call to check availability and approximate lead times
Product availability depends upon stock levels at closest depot and delivery logistics to geographic locations
Product Performance and Guides
Product Performance, Manufacturer Downloads, and Installation Guides
|Fire Performance||Classification A1||BS EN 13501-1|
|Surface Spread of Flame||Non-combustable|
For further information on the below table, please see the Rockwool Fire System datasheet.
|30 min cavity barrier||30 min||15 min||Fire Barrier 50mm1|
|30 min fire barrier||60 min||30 min||Fire Barrier 60mm2|
|60 min fire barrier||60 min||60 min||2 x Fire Barrier 50mm3|
|90 min fire barrier||90 min||90 min||2 x Fire Barrier 50mm4|
|120 min fire barrier||120 min||120 min||2 x Fire Barrier 60mm5|
The correct use of Fire Barrier within structural cavities and voids will reduce the level of transmitted sound.
- Rw= up to 30db for typical lay-in grid suspended ceiling
- Rw= up to 42db for ceiling and Rockwool Fire Barrier 50mm
- Rw= up to 44db for ceiling and Rockwool Fire Barrier 50mm Foil Faced
- Rw= up to 50db for ceiling and 2 x layers of Rockwool Fire Barrier 50mm Foil Faced
For specific acoustic requirements please contact ROCKWOOL Technical Solutions.
Please visit the Rockwool website for product certificates.