Rockwool Fire Barrier

Rockwool

Description

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 up to 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.

Categories: ,

Product options

QuantityProductex-VATinc-VAT 
£60.91£73.09
£25.95£31.14
£14.81£17.77
£1.55£1.86

Availability Indicators

Rockwool Fire Barrier is sent out from depots nationwide and is subject to the Local Depot Delivery minimum order levels and delivery charge thresholds.

Reasonable stock levels of popular thicknesses are held at larger depots. Please allow extended lead times where products need ot be sourced from the manufacturer before being delivered to site.

Rockwool reserves the right to change stocked products - while we will do all we can to keep on top of changes, availability and lead times my vary.

  • Generally 1 to 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

Delivery charges will be calculated at check-out. Please visit our Ordering From Us page for further details on minimum order levels and delivery charges. If you have any queries, please do not hesitate to contact me.

Product Application

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.

Product Make-up

Core: Durable non-combustable stone wool spun from volcanic rock, compressed and resin bonded into slabs.

Facings: Unfaced and foil-faced options are available.

Product Properties

Thickness50mm to 60mm 
Roll Length3.7m and 3m (dependant on thickness) 
Roll Width1m 

Product Performance

Fire PerformanceClassification A1BS EN 13501-1
Surface Spread of FlameNon-combustable 

Fire Performance

RatingIntegrityInsulationSpecification
30 min cavity barrier30 min15 minFire Barrier 50mm1
30 min fire barrier60 min30 minFire Barrier 60mm2
60 min fire barrier60 min60 min2 x Fire Barrier 50mm3
90 min fire barrier90 min90 min2 x Fire Barrier 50mm4
120 min fire barrier120 min120 min2 x Fire Barrier 60mm5

N.B. Fire Performance table notes:

  • 1 1 x layer Rockwool Fire Barrier 50mm, vertical joints butt jointed.
  • 2 1 x layer Rockwool Fire Barrier 60mm (plain or foil face) with a minimum 100mm overlapped and stitched joints on vertical joints.
  • 3 2 x layers of Rockwool Fire Barrier 50mm back to back butt jointed with staggered vertical joints between the back to back layers.
  • 4 2 x layers of Rockwool Fire Barrier 50mm back to back butt jointed with staggered vertical joints between the back to back layers.
  • 5 2 x layers of Rockwool Fire Barrier 60mm (plain or foil face) butt jointed, incorporating a 40mm aircavity between the layers.

Acoustic Performance

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.

Product Downloads

Rockwool Fire Barrier datasheet

Rockwool Fire Barrier installation guide

Rockwool Stone Wool Safety datasheet

Rockwool FirePro Range Guide

Rockwool Range Guide

Manufacturer Contact

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