Rock Wool Insulation
Rock wool was discovered on the islands of Hawaii, where it occurs naturally as a by-product of volcanic activity at the beginning of the 20th century. Rock wool in its manufactured state has non-directional fibre orientation and the unique characteristics of stone. Rock wool (also known as mineral wool or stone wool) is manufactured from molten rock in a furnace through which a stream of air or steam is blown at temperature of about 1600 C. The final product creates a mass of fine, intertwined fibres which may contain binder and an oil to reduce dusting. When pressed into rolls and sheets their ability to partition air makes them excellent heat insulators and sound absorbers. The insulation is produced in a variety of densities according to format and function.
Rock wool type insulation have excellent fire resistant properties. they have a melting point about 1170 Centigrade. This fire resistant ability gives it a huge advantage over insulation products like foam, fibreglass and cellulose that would burn at much lower temperatures. Rock wool products are often used for fire blocking applications, insulating around chimneys and fireplaces and situations where the insulation needs to be left exposed.
Rock wool insulation also has excellent water and moisture resistant properties. It will not absorb water and does not rot, promote mildew, fungi, or bacteria, or sustain vermin.
Rock wool insulation is dimensionally stable. Rock wool insulation products maintain their shape really well. This is extremely important in situations where a snug fit is all that keeps the insulation in place.
Application
- Masonry cavity walls,
- Timber frame walls,
- Roof rafter insulation,
- Loft and suspended floor insulation,
- Acoustic separation of flats,
- Other sound deadening applications
- Retains dimensional stability over time,
- R-value unaffected by moisture,
- Water repellent yet vapour permeable,
- when thoroughly dried, will maintain the original performance characteristics,
- Completely resistant to rot, mildew, mould and bacterial growth,
- Does not induce corrosion,
- Can withstand temperatures up to 1200C,
- Does not contribute to the development and spread of fire or the release of toxic gases,
- Effectively reduces airflow and sound transmissions,
- Absorbs acoustic waves and can reduce the intensity and propagation of noise.
- Production emissions are within UK legally defined limits,
- Though mineral wool is no longer classified as a skin irritant,
- Recyclable.
R-value Comparison Chart for Rock Wool Insulation products available at Insulation Shop
Legenda
1* Rockwool Firestop Cavity Slab
2* Knauf DriTherm Cavity Slab 34, Rockwool RW3 Slab (Prorox SL 930)
3* Earthwool Acoustic Insulation Roll, Earthwool RS45 Universal Slab, Earthwool RS60 Universal Slab, Earthwool RS100 Universal Slab, Rockwool RWA45 (Prorox SL920)
4* Rockwool Frontrock MAX E External Wall Insulation Slab
5* Earthwool Flexible Slab, Knauf DriTherm Cavity Slab 37, Rockwool Cavity Batt, Rockwool Flexi Insulation Slab
6* Rockwool Hardrock Multi-Fix Dual Density Board
7* Rockwool RW5 Slab (Prorox SL960)
8* Rockwool Fasrock-LL External Wall Insulation Slab
9* Earthwool Loft Roll 44, Rockwool RollBatt Loft Insulation, Rockwool Roll Loft Insulation, Rockwool Twin Roll
CHOOSE MANUFACTURERS or scroll down to see products
25mm Earthwool Acoustic Insulation Roll Knauf (Split 2 x 600mm)
2x10m x 1.2m - 24m2 show quantity discountsDelivery Time: 1 - 2 days
£34.01 (£40.81 inc VAT)
£1.42/m2 (£1.70/m2 inc VAT)
show quantity discounts25mm Knauf Earthwool Acoustic Roll is a flexible glass mineral wool quilt which is lightweight, flexible, resilient and non-combustible. The rolls are 1200mm wide and ready cut to produce 2 rolls in 600mm widths. Earthwool Acoustic Roll is manufactured to a minimum density of 10kg/m3. It is spe..
100mm Earthwool Loft Roll 44 (Combi-cut)
100mm - 13.89m2 show quantity discountsDelivery Time: 1 - 2 days
£21.06 (£25.27 inc VAT)
£1.52/m2 (£1.82/m2 inc VAT)
show quantity discounts100mm Earthwool Loft Roll 44 is a flexible low density glass mineral wool quilt which is lightweight, flexible, resilient and non-combustible. The rolls are 1140mm wide and partially perforated to produce either 2 rolls 570mm wide or 3 rolls 380mm wide.CHARACTERISTICSLightweight and economic insulat..
100mm Rockwool RollBatt Loft Insulation
4800x1200mm - 5.76m2 show quantity discountsDelivery Time: 1 - 2 days
£33.58 (£40.30 inc VAT)
£5.83/m2 (£7.00/m2 inc VAT)
show quantity discounts100mm Rockwool RollBatt Loft Insulation is a multi-functional, medium-density lightweight insulation matt, especially designed for improving thermal and acoustic performance, thus reducing fuel consumption and utility bills, when used in roofs, partitions and suspended ceilings. It can be used in nu..
200mm Rockwool Twin Roll Loft Insulation
2750x1200mm - 3.30m2 show quantity discountsDelivery Time: 2 - 3 days
£38.50 (£46.20 inc VAT)
£11.67/m2 (£14.00/m2 inc VAT)
show quantity discounts200mm Rockwool Twin Roll is the only mineral wool loft insulation to offer two high performance solutions in one roll, saving on time, money and space. Twin Roll is manufactured as one 200mm roll, which has been pre-sliced down the middle to create the option of 2 x 100mm rolls in one pack..
150mm Rockwool Roll Loft Insulation
3650x1200mm - 4.38m2 show quantity discountsDelivery Time: 1 - 2 days
Guide Price: £36.60 (£43.92 inc VAT)
£8.36/m2 (£10.03/m2 inc VAT)
show quantity discounts150mm Rockwool Roll Loft Insulation is a multi-functional medium-density insulation roll, especially designed for improving thermal performance in roofs and lofts, and acoustic performance and sound reduction in suspended ceilings. It can be used in number of different applications in commercial, in..
25mm Earthwool RS45 Universal Insulation Slab Knauf (pack of 20)
1200x600 - 14.4m2 show quantity discountsDelivery Time: 2 - 3 days
Guide Price: £36.03 (£43.24 inc VAT)
£2.50/m2 (£3.00/m2 inc VAT)
show quantity discounts25mm Earthwool RS45 Universal Slabs are unfaced, rock mineral wool slabs, available in a range of densities from 33 to 200 kg/m3. The standard product is supplied unfaced, but slabs can also be manufactured with a factory applied foil or tissue facing and are also available with a water repellent ad..
50mm Earthwool RS60 Universal Insulation Slab Knauf (pack of 9)
1200x600 - 6.48m2 show quantity discountsDelivery Time: 1 - 2 days
Guide Price: £36.03 (£43.24 inc VAT)
£5.56/m2 (£6.67/m2 inc VAT)
show quantity discountsEarthwool RS60 Universal Slabs are unfaced, rock mineral wool slabs, available in a range of densities from 33 to 200 kg/m3. The standard product is supplied unfaced, but slabs can also be manufactured with a factory applied foil or tissue facing and are also available with a water repellent additiv..
50mm Earthwool RS100 Universal Insulation Slab Knauf (pack of 6)
1200x600 - 4.32m² show quantity discountsDelivery Time: 2 - 3 days
Guide Price: £30.66 (£36.79 inc VAT)
£7.10/m2 (£8.52/m2 inc VAT)
show quantity discounts50mm Earthwool Universal Slabs are unfaced, rock mineral wool slabs, available in a range of densities from 33 to 200 kg/m3. The standard product is supplied unfaced, but slabs can also be manufactured with a factory applied foil or tissue facing and are also available with a water repellent additiv..
50mm Earthwool Flexible Insulation Slab Knauf (pack of 12)
1200x600 - 8.64m² show quantity discountsDelivery Time: 2 - 3 days
£41.95 (£50.34 inc VAT)
£4.86/m2 (£5.83/m2 inc VAT)
show quantity discounts50mm Earthwool Flexible is a non-combustible, inorganic rock mineral wool slab, used for thermal and acoustic insulation and specifically designed for installation by friction fitting. Earthwool Flexible is odourless, non-hygroscopic, rot proof, does not sustain vermin and will not encourage th..
75mm Knauf DriTherm Cavity Slab 34 Super (pack of 10)
1200x455mm - 5.46m2 Delivery Time: 2 - 3 days
Guide Price: £26.13 (£31.36 inc VAT)
£4.79/m2 (£5.75/m2 inc VAT)
75mm Knauf Earthwool DriTherm Cavity Slab 34 Super are semi-rigid or rigid slabs of non-combustible, water repellent, glass mineral wool. They are 455mm wide to suit standard vertical wall tie spacings, ensuring a closed joint with adjacent slabs. This product has a special addit..
50mm DriTherm 37 Standard Cavity Slab Knauf (pack of 12)
1200x455 -6.55m2 show quantity discountsDelivery Time: 3 - 5 days
Guide Price: £25.27 (£30.32 inc VAT)
£3.86/m2 (£4.63/m2 inc VAT)
show quantity discounts50mm DriTherm 37 Standard Cavity Slabs are rigid slabs of non-combustible, glass mineral wool with a water-repellent additive. They are 455mm wide to suit standard vertical wall tie spacing, ensuring a closed joint with adjacent slabs. This product has a special additive to make it water r..
30mm Rockwool RW3 Slab (Prorox SL930) - pack of 15
1200x600mm - 10.8m2 show quantity discountsDelivery Time: 3 - 5 days
Guide Price: £33.90 (£40.68 inc VAT)
£3.14/m2 (£3.77/m2 inc VAT)
show quantity discounts30mm Rockwool RW3 Slab (Prorox SL 930) is a semi-rigid resin bonded slab, providing great thermal, acoustic and fire resistance, designed to be used in various applications in floors, walls and roofs, including special applications in industrial buildings for insulation of ships, offshore plat..
50mm Rockwool RW5 Universal Insulation Slab (Prorox SL960) - pack of 4
RW5 50mm - 2.88m2 show quantity discountsDelivery Time: 2 - 3 days
£24.89 (£29.87 inc VAT)
£8.64/m2 (£10.37/m2 inc VAT)
show quantity discounts50mm Rockwool RW5 (Prorox SL960) is a high quality resin bonded rigid slab for a wide range of thermal, acoustic and fire insulation requirements both within buildings and for industry. They are suitable for many applications including thermal insulation for floors, walls, roofs and boiler rooms. Th..
25mm Rockwool RWA45 Slab (Prorox SL920) - pack of 16
600x1200mm - 11.52m² show quantity discountsDelivery Time: 2 - 3 days
£27.49 (£32.99 inc VAT)
£2.39/m2 (£2.87/m2 inc VAT)
show quantity discounts25mm Rockwool RWA45 is a high quality resin bonded flexible slab for a wide range of thermal, acoustic and fire insulation requirements both within buildings and for industry. They are suitable for many applications including thermal insulation for floors, walls, roofs and boiler rooms. The str..
50mm Rockwool Cavity Insulation Batt (pack of 12)
1200x455 - 6.55m2 show quantity discountsDelivery Time: 1 - 2 days
£23.38 (£28.06 inc VAT)
£3.57/m2 (£4.28/m2 inc VAT)
show quantity discounts50mm Rockwool Cavity Batt provides a completely reliable and cost-effective method of insulating new masonry cavity wall construction. Its BBA certified for use as full fill cavity wall insulation and is effective in reducing the thermal transmittance (U value) of new external cavity walls with maso..
50mm Rockwool Flexi Insulation Slab 1200mm x 600mm (pack of 12)
1200x600mm - 8.64m2 show quantity discountsDelivery Time: 1 - 2 days
£30.74 (£36.89 inc VAT)
£3.56/m2 (£4.27/m2 inc VAT)
show quantity discounts50mm Rockwool Flexi Insulation Slab is a flexible thermal and acoustic insulation product made from volcanic rock, thus extremely durable, fire resistant and applicable to various constructions including walls, partitions, roofs and floors. It comes with an innovative flexible edge on one side,..
50mm Rockwool Flexi Insulation Slab 1200 x 400mm (pack of 12)
1200x400mm - 5.76m2 show quantity discountsDelivery Time: 1 - 2 days
Guide Price: £25.29 (£30.35 inc VAT)
£4.39/m2 (£5.27/m2 inc VAT)
show quantity discounts50mm Rockwool Flexi Insulation Slab is a semi-rigid thermal and acoustic insulation product made from volcanic rock, thus extremely durable, fire resistant and applicable to various constructions including walls, partitions, roofs and floors. It comes with an innovative flexible edge on one sid..
60mm Rockwool Hardrock Multi-Fix (Dual Density ) Fleece Faced Board (pallet of 20)
1200x1000 - 24.00m2 Delivery Time: 3 - 5 days
Guide Price: £334.99 (£401.99 inc VAT)
£13.96/m2 (£16.75/m2 inc VAT)
60mm Rockwool Hardrock Multi-Fix Dual Density Fleece Faced Boards are manufactured from renewable volcanic stone which produces a non-combustible roofing insulation board. A uniquely versatile solution suitable for all roof covering types - torch, pour and roll, single ply, EPDM, liquid applied and ..
50mm Rockwool Fasrock-LL External Wall Insulation Slab 1200mm x 200mm (pack of 8)
1200x200 - 1.92m2 Delivery Time: 1 - 2 days
50mm Rockwool Fasrock-LL External Wall Insulation Slab is a rigid thermal and acoustic insulation product made from volcanic rock, thus extremely durable, fire resistant and specifically created for external wall applications to go directly under render. The fibres in Fasrock-LL slabs are arra..
60mm Rockwool Frontrock MAX E Dual Density External Wall Insulation Slab 1000x600mm (pack of 4)
1000x600mm - 2.40m2 Delivery Time: 3 - 7 days
60mm Rockwool Frontrock MAX E is a rigid dual density thermal and acoustic insulation slab made from volcanic rock, thus extremely durable, fire resistant and specifically created for external wall applications to go directly under render. The higher density surface of the slab is to take the r..
50mm Rockwool Ablative Coated Batt
1200x600mm - 0.72m² Delivery Time: 1 - 2 days
£13.44 (£16.13 inc VAT)
£18.67/m2 (£22.40/m2 inc VAT)
50mm Rockwool Ablative Coated Batt is intended to act as an airseal barrier to reinstate the fire resistance and acousticperformances of concrete floors, masonry walls and dry wall systems when voids have been created for the passage of services. This includes pipes made of plain or stainless steel,..
75mm Rockwool SP60 Firestop Cavity Slab (pack of 4)
1000x650mm - 2.60m2 Delivery Time: 2 - 3 days
Guide Price: £174.52 (£209.42 inc VAT)
£67.12/m2 (£80.54/m2 inc VAT)
75mm Rockwool SP60 Firestop Cavity Slab systems form cavity fire stops within commercial and industrial buildings. The solution may be installed horizontally or vertically and is suitable for varying cavity widths in masonry and curtain wall constructions. The product has been designed as a one-piec..
50mm Rockwool Dual Density Slab for Insulated Renders (pack of 4)
1200x600mm - 2.88m2 Delivery Time: 3 - 7 days
50mm Rockwool Dual Density Slab is a rigid thermal insulation slab specifically created for external wall applications to go directly under render. It is made from volcanic rock, thus extremely durable and fire resistant. The higher density outer surface of the slab is to ..