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Slabs and Batts

Slabs and Batts are used for general, thermal and acoustic purposes mainly in internal partitions between timber and metal studs, rafters and floor joists as well as ‘cavity’ insulation in less demanding environments like residential properties and offices and come in a range of density and thickness (100mm, 150mm, and 200mm).

Slabs and Batts are made from highly sustainable material like Glass mineral wool which in 80 percent contains the same material used in production of bottles and windows, as well as Rock mineral wool which is obtained from volcanic rock making the product highly environmentally friendly. Slabs and Batts pose no harm to ozone sphere with its content and do not represent any known threat to the environment.

Both products do not sustain vermin and will not encourage the growth of fungi, mould or bacteria.

Rock mineral wool slabs are scientifically designed to resist heavy loads while maintaining thermal, acoustic and fire performance benefits and are engineered for installation by friction fitting (RockFlexi). These are particularly suitable for insulating converted lofts and other non-industrial constructions where heavy load resistance is needed. Glass mineral wool slabs have general purpose and can be used in applications where no heavy load resistance is needed.

For more information on particular product please see product description.

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25mm Rocksilk RS45 Universal Insulation Slab Knauf (pack of 20)
Guide Price
Brand: Knauf Model and Size: 1200x600 - 14.4m2
Delivery Time: 2 - 3 days
25mm Rocksilk RS45 Universal Slabs are rock mineral wool slabs, available in a range of densities and designed for use in multiple thermal and acoustic applications where density is critical. The standard product is supplied unfaced, but slabs can also be manufactured with a factory applied foi..
Guide Price: £41.63
£49.96 inc VAT
25mm Rockwool RWA45 Slab (Prorox SL920) - pack of 16
Guide Price
Brand: Rockwool Model and Size: 600x1200mm - 11.52m2
Delivery Time: 3 - 5 weeks
25mm 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..
Guide Price: £28.50
£34.20 inc VAT
7 (0e 0s)
30mm Rockwool RW3 Slab (Prorox SL930) - pack of 15
Guide Price
Brand: Rockwool Model and Size: 1200x600mm - 10.8m2
Delivery Time: 1 - 2 days
30mm 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..
Guide Price: £58.64
£70.37 inc VAT
50mm DriTherm 37 Standard Cavity Slab Knauf (pack of 12)
Guide Price
Brand: Knauf Model and Size: 1200x455 -6.55m2
Delivery Time: 3 - 5 days
50mm 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..
Guide Price: £33.41
£40.09 inc VAT
Brand: Knauf Model and Size: 1200x600 - 8.64m2
Delivery Time: 2 - 3 days
50mm 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..
£45.31
£54.37 inc VAT
Brand: Isover Model and Size: 455x1200mm - 10.92m2
Delivery Time: 2 - 3 days
50mm ISOVER Cavity Wall Slab (CWS) is a non-combustible, silicone impregnated glass mineral wool thermal insulation in masonry cavity walls in full-fill applications. It is designed to be installed during construction in the cavity between two masonry leaves in external walls. Meets Part L Buil..
£45.49
£54.59 inc VAT
50mm Isover Hi-Cav CWS 32 - pack of 14
Guide Price
Brand: Isover Model and Size: 50mm CWS 32 - 7.64m2
Delivery Time: 2 - 3 days
50mm Isover CWS 32 batt is a dense glass wool insulation product, providing high thermal performance in masonry cavity wall insulation, applicable in various type of buildings including domestic, commercial, industrial, health, retail, education. The products density allows it to have extremely low ..
50mm Isover Timber Frame Batt 32 (Pack of 9) - 16 Packs per Pallet
Guide Price
Brand: Isover Model and Size: 1175x570 - 96.48m2
Delivery Time: 2 - 4 days
50mm Isover Timber Frame Batt 32 is a high density glass mineral wool slab that reduces heat loss through external walls, improving the energy efficiency and carbon footprint of a building as part of two advanced timber frame systems that can meet Part L Building Regulations (England and Wales)..
50mm Rocksilk RS100 Universal Insulation Slab Knauf (pack of 6)
Guide Price
Brand: Knauf Model and Size: 1200x600 - 4.32m2
Delivery Time: 2 - 3 days
50mm Rocksilk RS100 Universal Slabs are rock mineral wool slabs, available in a range of densities and designed for use in multiple thermal and acoustic applications where density is critical. The standard product is supplied unfaced, but slabs can also be manufactured with a factory appli..
Guide Price: £35.43
£42.52 inc VAT
50mm Rocksilk RS60 Universal Insulation Slab Knauf (pack of 9)
Guide Price
Brand: Knauf Model and Size: 1200x600 - 6.48m2
Delivery Time: 1 - 2 days
50mm Rocksilk RS60 Universal Slabs are rock mineral wool slabs, available in a range of densities and designed for use in multiple thermal and acoustic applications where density is critical. The standard product is supplied unfaced, but slabs can also be manufactured with a factory applie..
Guide Price: £41.63
£49.96 inc VAT
Brand: Rockwool Model and Size: 1200x600mm - 8.64m2
Delivery Time: 1 - 2 days
50mm x1200mm x 600mm Rockwool Flexi Insulation Slab is a unique semi-rigid thermal and acoustic insulation product made from volcanic rock. It has a flexible edge, specifically developed using patented technology for a fast and easy, perfect friction fit between timber and metal frame syst..
£42.50
£51.00 inc VAT
5 (11e 0s)
50mm Rockwool Flexi Insulation Slab 1200 x 400mm (pack of 12)
Guide Price
Brand: Rockwool Model and Size: 1200x400mm - 5.76m2
Delivery Time: 1 - 2 days
50mm x1200mm x 400mm Rockwool Flexi Insulation Slab is a unique semi-rigid thermal and acoustic insulation product made from volcanic rock. It has a flexible edge, specifically developed using patented technology for a fast and easy, perfect friction fit between timber and metal frame syst..
Guide Price: £30.15
£36.18 inc VAT
50mm Rockwool Full Fill Cavity Insulation Batt (pack of 12)
Guide Price
Brand: Rockwool Model and Size: 1200x455 - 6.55m2
Delivery Time: 8 - 12 weeks
50mm Rockwool Full Fill 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 ca..
Guide Price: £39.77
£47.72 inc VAT
50mm Rockwool RW5 Universal Insulation Slab (Prorox SL960) - pack of 4
Guide Price
Brand: Rockwool Model and Size: RW5 50mm - 2.88m2
Delivery Time: 2 - 3 days
50mm 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..
Guide Price: £42.82
£51.38 inc VAT
60mm Rockwool Hardrock Multi-Fix (Dual Density ) Fleece Faced Board (pallet of 20)
Guide Price
Brand: Rockwool Model and Size: 1200x1000 - 24.00m2
Delivery Time: 1 - 2 days
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 ..
Guide Price: £522.27
£626.72 inc VAT
75mm DriTherm 32 Ultimate Cavity Slab Knauf (pack of 6)
Guide Price
Brand: Knauf Model and Size: 1200x455mm - 3.28m2
Delivery Time: 3 - 5 days
75mm Earthwool DriTherm 32 Cavity Slab is a semi-rigid insulation material made from 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. Manufactured with Knauf ECOSE Technology - no ..
Guide Price: £41.40
£49.68 inc VAT
90mm Isover Timber Frame Batt 35 - (Pack of 10) (16 Packs per Pallet)
Guide Price
Brand: Isover Model and Size: 1175x570 - 107.2m2
Delivery Time: 2 - 3 days
90mm Isover Timber Frame Batt 35 is a medium density glass mineral wool slab that reduces heat loss through external walls, improving the energy efficiency and carbon footprint of a building as part of two advanced timber frame systems that can meet Part L Building Regulations (England and..
90mm Isover Timber Frame Batt 40 - (Pack of 14) (20 Packs per Pallet)
Guide Price
Brand: Isover Model and Size: 1175x570 - 187.60m2
Delivery Time: 2 - 3 weeks
90mm Isover Timber Frame Batt 40 is a medium density glass mineral wool slab that reduces heat loss through external walls, improving the energy efficiency and carbon footprint of a building as part of two advanced timber frame systems that can meet Part L Building Regulations (England and..
90mm Isover Timber Frame Batt 43 - (Pack of 12) (24 Packs per Pallet)
Guide Price
Brand: Isover Model and Size: 1175x570 - 192.89m2
Delivery Time: 2 - 3 days
90mm Isover Timber Frame Batt 43 is a medium density glass mineral wool slab that reduces heat loss through external walls, improving the energy efficiency and carbon footprint of a building as part of two advanced timber frame systems that can meet Part L Building Regulations (England and..
Cellecta Fibrefon Micro Slab 15 (pack of 25)
Guide Price
Brand: Cellecta Model and Size: 600x1200mm - 18m2
Delivery Time: 3 - 5 days
Cellecta Fibrefon Micro Slab 15 is composed from a unique polyester fibre material, giving the slab substantial acoustic characteristics and performance, due to significant sound absorption. All these characteristics make them especially applicable to narrow spaces such as between joists in ceiling ..
100mm Isoroc Isofas Mineral Wool Insulation Slab - 1000mm x 600mm (pack of 3)
Guide Price
Brand: Isoroc Model and Size: 1000mm x 600mm - 1.8m2
Delivery Time: 1 - 2 days
100mm Isoroc Isofas Mineral Wool Insulation Slab is a reliable and durable non-flammable insulation solution for universal use. These slabs can be used in external and internal wall insulation as thermal, acoustic and fire insulation. They can be used as a barrier for fire protection...
100mm Rockwool Frontrock Plus Dual Density External Wall Insulation Slab 1000mm x 600mm (pack of 3)
Guide Price
Brand: Rockwool Model and Size: 1000x600mm - 1.80m2
Delivery Time: 5 - 7 days
100mm Rockwool Frontrock Plus 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. Using Frontrock Plus you can be sure that the facade wi..
Guide Price: £37.98
£45.58 inc VAT
67 (0e 0s)
100mm Rockwool Frontrock Super Dual Density External Wall Insulation Slab 1000mm x 600mm (pack of 3)
Guide Price
Brand: Rockwool Model and Size: 1000x600mm - 1.80m2
Delivery Time: 5 - 7 days
100mm Rockwool Frontrock Super 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. Using Frontrock Super you can be sure that the facade ..
10mm Cellecta Fibrefon 10 - Wood Fibre Acoustic Resilient Layer
Guide Price
Brand: Cellecta Model and Size: 600x1200mm - 0.72m2
Delivery Time: 3 - 5 days
Cellecta Fibrefon 10  is 10mm thick acoustic resilient layer insulation made of wood fibre for concrete floors, giving substantial acoustic characteristics. This resilient layer ensures that Cellecta Screedboard 20 covered underfloor heating complies with acoustic performance sta..
30mm JCW Stonefloor Slab - High Compressive Underfloor Insulation
Guide Price
Brand: JCW Model and Size: 1200mm x 600mm - 0.72m2
Delivery Time: 2 - 3 days
30mm JCW Stonefloor Slab is made from dense mineral wool slab designed for use on concrete subfloors. It is a high compressive strength dual density slab, which provides high thermal insulation properties for ground floors and acoustic insulation properties for separating floors. JCW Stone..
Guide Price: £11.83
£14.20 inc VAT
30mm Rockwool Dual Density Slab for Insulated Renders (pack of 5)
Guide Price
Brand: Rockwool Model and Size: 1200x600mm - 3.60m2
Delivery Time: 3 - 5 weeks
30mm 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 ..
50mm Acoustic Rockwool Rockfloor Insulation Slab - 1000 x 600mm
Guide Price
Brand: Rockwool Model and Size: 1000x600mm - 0.6m2
Delivery Time: 8 - 12 weeks
50mm Acoustic Rockwool Rockfloor Insulation Slab is a tissue faced, high compressive mono-density insulation slab made from mineral stone wool designed to meet Part E Building Regulations in separating floors. The Acoustic Rockfloor slab is designed to absorb impact noise in sepa..
Brand: Rockwool Model and Size: 1200x600mm - 0.72m2
Delivery Time: 1 - 2 days
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,..
£16.08
£19.30 inc VAT
36 (49e 0s)
50mm Rockwool Rockton Insulation Slab - 1000mm x 610mm (pack of 12)
Guide Price
Brand: Rockwool Model and Size: 1000mm x 610mm - 7.32m2
Delivery Time: 1 - 2 days
50mm Rockwool Rocton Slabs are a reliable and durable non-flammable insulation solution for universal use. These high density slabs can be used in partition walls, curtain walls, within steel and timber frame structures, over ceilings and between floor joists. Rockwool Rocton has the highest so..
11 (0e 0s)
Brand: Thermafleece Model and Size: 1200x390mm - 19.66m2- Free delivery
Delivery Time: 2 - 5 working days
Thermafleece CosyWool Flexible Slab is a versatile low density insulation rich in British sheeps wool, which would give you all round performance and value for money. It contains 75% Sheeps wool, 15% recycled polyester and 10% polyester binder with a high recycled content making it highly envir..
£184.90
£221.88 inc VAT
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