Rockwool Fire Barrier plain Rockwool Insulation

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

Due to supply challenges from the manufacturers, please allow extended lead times on Rockwool products. Please feel free to contact me to check availability and lead times.

Product Information

General information about Rockwool Fire Barrier

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

Fire Performance Classification A1 BS EN 13501-1
Surface Spread of Flame Non-combustable
Roll Length 4m and 3.5m
Roll Width 1m

Product Prices

Buy Rockwool Fire Barrier system

The prices and quantity discounts below are 'per item' rates. Packs contain a single roll... 1x4m = 4m² - in this instance, the roll is 1m x 4m providing a total coverage of 4m² per item.

Availability Undetermined - Special circumstances are involved in the supply of these products. Rockwool EasyFit Fire Barrier Angle, length = 3lm - ranging from £7.35 to £7.69 per lm

1 plus lengths @ £7.69 per lm = £23.06 (£27.67 inc-VAT) per length
10 plus lengths @ £7.62 per lm = £22.85 (£27.42 inc-VAT) per length
20 plus lengths @ £7.55 per lm = £22.65 (£27.18 inc-VAT) per length
30 plus lengths @ £7.48 per lm = £22.44 (£26.93 inc-VAT) per length
40 plus lengths @ £7.41 per lm = £22.24 (£26.69 inc-VAT) per length
50 plus lengths @ £7.35 per lm = £22.04 (£26.45 inc-VAT) per length

Availability Undetermined - Special circumstances are involved in the supply of these products. Rockwool EasyFit Fire Barrier Clamping Plate, length = 3lm - ranging from £4.09 to £4.28 per lm

1 plus lengths @ £4.28 per lm = £12.85 (£15.42 inc-VAT) per length
10 plus lengths @ £4.25 per lm = £12.74 (£15.29 inc-VAT) per length
20 plus lengths @ £4.21 per lm = £12.63 (£15.16 inc-VAT) per length
30 plus lengths @ £4.17 per lm = £12.51 (£15.01 inc-VAT) per length
40 plus lengths @ £4.13 per lm = £12.40 (£14.88 inc-VAT) per length
50 plus lengths @ £4.09 per lm = £12.28 (£14.74 inc-VAT) per length

Availability Undetermined - Special circumstances are involved in the supply of these products. Rockwool Fire Barrier (Plain) 50mm, 1x4m = 4m² - ranging from £10.50 to £10.99 per m²

1 plus rolls @ £10.99 per m² = £43.94 (£52.73 inc-VAT) per roll
3 plus rolls @ £10.89 per m² = £43.55 (£52.26 inc-VAT) per roll
6 plus rolls @ £10.79 per m² = £43.16 (£51.79 inc-VAT) per roll
9 plus rolls @ £10.69 per m² = £42.77 (£51.32 inc-VAT) per roll
12 plus rolls @ £10.60 per m² = £42.38 (£50.86 inc-VAT) per roll
15 plus rolls @ £10.50 per m² = £42.00 (£50.40 inc-VAT) per roll

Rarely requested product sourced directly from manufacturer. Generic Lacing wire, 0.5kg coil - ranging from £3.03 to £3.17

1 x coil @ £3.17 (£3.80 inc-VAT) per coil
2 x coils @ £3.14 (£3.77 inc-VAT) per coil
3 x coils @ £3.11 (£3.73 inc-VAT) per coil
4 x coils @ £3.08 (£3.70 inc-VAT) per coil
5 x coils @ £3.06 (£3.67 inc-VAT) per coil
6 x coils @ £3.03 (£3.64 inc-VAT) per coil

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

Please observe the 'Star Rating' indicators to assess availability.
Product Availability Excellent Generally 1 or 2 days for delivery
Product Availability Good Generally 1 to 5 days for delivery
Product Availability Fair Generally 5 to 10 days for delivery
Product Availability Poor Generally 5 to 15 days for delivery
Product Availability Undetermined 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 Certification, Downloads, and Installation Guides

Fire Performance

For further information on the below table, please see the Rockwool Fire System datasheet under Manufacturer Downloads section of the Product Performance and Guides.

Rating Integrity Insulation Specification
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
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.

Minimum order level - £175.00 ex-VAT. For further details on Delivery Charges and Minimum Order levels, please Click Here