Largely manufactured from recycled glass (e.g. windscreens) and mineral base materials such as sand and without the use of binding agents. The ingredients are melted into molten glass, which is cooled and crushed into a fine powder. The powdered glass is poured into molds and heated (below the melting point) in a "sintering" process that causes the particles to adhere to one another. Next, a small amount of finely ground carbon-black is added and the material is heated in a "cellulation" process. Here, the carbon reacts with oxygen, creating carbon dioxide, which creates the insulating bubbles in the (material). CO2 accounts for more than 99% of the gas in the cellular spaces.
Cellulose insulation is a material made from recycled newspaper. The paper is shredded and inorganic salts, such as boric acid, are added for resistance to fire, mould, insects and vermin. The insulation is installed either blown or damp-sprayed depending on application.
Wood fibre
The success of wood fibre insulation derives from an attractive environmental profile combined with a whole bag of functions including rigid insulation, sheathing and sarking for timber frames, roofs and flooring as well as flexible insulation for studs and rafters.
Wood of course is renewable, it sequesters carbon during its growth and product production is relatively free from pollution. The insulation value of wood fibre boards is not as dimensionally efficient as some of the orthodox petro-chemical materials - but it's no slouch either - typically coming in with a 'k value' range of between 0.038-0.043 W/mK depending on format.
Hemp
Hemp fibres are produced from hemp straw of the hemp plant. Most hemp is imported, but an increasing amount of home-grown crop is becoming available. Hemp grows up to a height of nearly 4 metres within a period of 100-120 days. Because the plants shade the soil, no chemical protection or toxic additives are required for hemp cultivation. The product is composed of, usually, 85% hemp fibre with the ballance made up of polyester binding and 3-5% soda added for fire proofing.
Straw
Straw is an agricultural by-product, the dry stalks of cereal plants, after the grain and chaff have been removed. Straw makes up about half of the yield of cereal crops such asbarley, oats, rice, rye and wheat.
Loft insulation slab also referred to as 'loft board' is a great space-saving option, manufactured in sheets that are pre-cut to fit between any joist spacing to provide extra insulation within your pitched roof. Boards will boost thermal performance, improve acoustics and insulate between rafters. It’s recommended for pitched roofs that you go for moisture-resistant loft boards as standard just as a precaution. Slabs are provided in sizes that are easily transportable and good for handling measuring 1200mm x 600mm. In England, the required minimum U-value for pitched roofs insulated at rafter level is 0.18 W/m²K or lower. This equates to a 175mm of slab insulation. The regulations don’t specify which material is used – there is a range to choose from and each will have different thicknesses to achieve the minimum U-value. Ideally, you want insulation that gives the lowest U-value for the thinnest material so that your headroom is affected as little as possible, or you may want to consider environmentally friendly insulation materials. Insulation slabs are generally added under a vapour control layer, which reduces the risk of mould and condensation forming. If cutting loft slabs always ensure you have the correct protective clothing and equipment on. This includes goggles, to protect dust from irritating your eyes, as well as a dust mask.
MANUFACTURERS
When it comes to best loft insulation boards between the rafters, Rockwool and Knauf are main players in the UK market. InsulationGo is proud to offer a wide range of loft insulation boards, from those well-known industry leaders. Each brand of insulation board is different, because of the materials they’re manufactured out of or because of their core application. General-purpose insulation boards such as RWA45, RW5 or RW3 are perfect for many standard applications. These types of boards can be used in pitched roofs, ceilings, floors and walls thanks to their sturdy makeup and their easy installation.
Offering a number of different ranges of insulation boards, Knauf have ensured that they have created a product for every possible situation.
Knauf insulation boards can be used in both the ceiling or pitched roof sector to improve the insulation. Knauf insulation slabs are continuously developing, using their years of experience and high-quality innovation to create double foil facings that provide maximum heat resistance. On other hand, Rockwool is one of the most well-known brands around when looking for insulation loft slabs. With an incredibly wide range of different insulation boards, including their popular RWA45, Rockwool insulation boards have been designed for use by contractors and DIYers, specifically for the construction industry in both domestic and commercial builds. Slabs are available in a number of different thicknesses, conductivities and can be used in pitched roofs, flat roofs and floors to ensure the building is well insulated with minimal heat loss.
LOFT INSULATION COSTS
Loft conversions involve time and money and should therefore be carefully considered before going ahead with any plans you may have, and this includes insulation. The cost of insulating a loft will also depend on whether you are going to do the work yourself or hire a professional to do it for you. By fitting insulation slabs yourself you can save a fortune. As of 2022 most popular insulation slab 150mm Rocksilk RS45 Knauf cost £36.36 per m2. Average size roof in the UK measures 70m2. Taking this into consideration you would be paying around £2545 for materials only. If you decide to do it everything yourself, there's no need to worry about the cheapest loft board as you saved money already on labour costs. One thing to remember if you do this yourself is that you should leave a gap between the insulation and the roof slats. This is to ensure that there is enough ventilation to prevent any build-up of condensation and moisture. If any moisture settles in the insulation fabric it will eventually rot.
TYPES OF INSULATION SLABS
Slabs can be supplied either in standard unfaced 1200mm x 600mm size or foil backed on both sides. Unfaced slabs and foils faced boards offer great fire performance classified as Euroclass A1. These odorless, non-hygroscopic, and rot proof slabs are free of CFCs and HCFCs and will not encourage the growth of fungi, mould or bacteria. Generally speaking, kg/m³ is the weight of the slabs if they were manufactured in a block of one metre cube (1m x 1m x 1m). In order for them to be identified, they are given a density rating which refers to the weight of a metre cube, displayed as kg/m³. Loft insulation is available in a variety of densities which range from 45kg up to 100kg per slab. The greater the mass is, the harder it is to vibrate this material, thus the better the insulating property will be. Therefore, it is better to choose dense and heavy material.
45kg/m³ insulation slabs are the low level insulation density slabs available either from Rockwool or Knauf brand. Although, those slabs still have higher density than other forms of insulation unlike thermal insulation which is lower in density and supplied in rolls. Rockwool RWA45 or Knauf RS45 is named after its density properties in that it has a density of 45Kkg per cubic meter. The 45kg range slabs include the following readily available product thicknesses: 25mm ǀ 30mm ǀ 40mm ǀ 50mm ǀ 60mm ǀ 75mm ǀ 90mm ǀ 100mm
60kg/m³ acoustic insulation slabs are the middle level insulation density slabs. In fact, it is recommended to use 60kg/m³ slabs as they offer the best insulation value for the money spent. Rockwool RW3 or Knauf RS60 is named after its density properties in that it has a density of 60kg per cubic meter. The 60kg/m³ density slabs are ideal either for loft floors or ceilings to control home acoustics. 60kg density slabs can be supplied either in standard unfaced 1200mm x 600mm size or foil backed on both sides. Unlike unfaced slabs, foils faced boards offer great fire performance classified as Euroclass A1. 60kg range slabs include the following thicknesses:
25mm ǀ 30mm ǀ 40mm ǀ 50mm ǀ 60mm ǀ 75mm ǀ 90mm ǀ 100mm
100kg/m³ acoustic insulation slabs are the high level insulation density slabs available either from Rockwool or Knauf brand. In fact, it is recommended to use 100kg/m³ slabs in places such as hospitals, auditoriums, stadium acoustics, commercial spaces and doctor offices. Rockwool RWA5 or Knauf RS100 are great examples of high density slabs made especially for commercial and industrial loft spaces.
Video credit:https://www.youtube.com/watch?v=u0BYRb6MHBM&t=85s
25mm Black Foil Faced Two Sides Knauf RS45 Slab is a semi rigid rock mineral wool black foil backed on both sides insulation slab with an excellent class A1 fire performance.
Knauf RS45 Black foil backed on both sides slab provides outstanding fire, thermal and acoustic performance for both new b..
25mm Black Foil Faced x2 Sides Knauf RS45 Insulation Slab A1 Class
Class ‘O’ to the Building Regulations and Class A1 fire performance
Density of 45kg/m3 with an excellent thermal and acoustic properties
Provides from 30 up to 240 minutes of fire protection (x2 Foil Faced RS45)
Double Sides Black Foil Faced Slab accumulates heat on one side of the slab
25mm Knauf RS60 Black Foil Backed Two Sides Slab is an insulation solution specially designed for concrete soffits, an A1 class non-combustible rock mineral wool slab.
Black foil backed and faced 60kg density insulation slab is less visible than the silver foil which is handy specially during the..
25mm Black Foil Faced x2 Sides Knauf RS60 Insulation Slab A1 Class
Class ‘O’ to the Building Regulations and Class A1 fire performance
Density of 60kg/m3 with an excellent thermal and acoustic properties
Provides from 30 up to 240 minutes of fire protection (x2 Foil Faced RS60)
Double Sides Black Foil Faced Slab accumulates heat on one side of the slab
25mm Black Foil Faced Knauf Rocksilk RS45 Insulation Slab is a non-combustible rock mineral wool black foil backed insulation slab with an excellent class A1 fire performance.
Knauf RS45 1200mm x 600mm x 25mm black foil backed slab provides outstanding fire, thermal and acoustic performance for b..
25mm Black Foil Faced Knauf Rocksilk RS45 Insulation Slab A1 Class
Class ‘O’ to the Building Regulations and Class A1 fire performance
Density of 45kg/m3 with an excellent thermal and acoustic properties
Provides from 30 up to 240 minutes of fire protection (Foil Faced RS45)
Black Foil Faced Insulation Slab accumulates heat on one side of the board
25mm Aluminium Black Foil Backed Knauf RS60 60kg Slab is a rigid class A1 non-combustible rock mineral wool insulation slab faced with a reinforced black aluminium foil.
The black aluminium foil faced insulation slab accumulates heat on one side of the board, unlike the aluminium silver foil that..
25mm Black Foil Faced Knauf Rocksilk RS60 Insulation Slab A1 Class
Class ‘O’ to the Building Regulations and Class A1 fire performance
Density of 60kg/m3 with an excellent thermal and acoustic properties
Provides from 30 up to 240 minutes of fire protection (Foil Faced RS60)
Black Foil Faced Insulation Slab accumulates heat on one side of the board
Knauf RS60 Black Tissue Faced 2 Sides Insulation Slab is a 25mm thick fire and acoustic rock mineral wool insulation slab, used for providing fire resistance and thermal insulation for roofs, concrete car park soffits and similar applications.
Rocksilk RS60 Slab (25mm x 600mm x 1200mm) faced with..
Black Tissue Faced 2 Sides Knauf Rocksilk RS45 Insulation Slab is a 25mm thick rock mineral wool based, class A1 non-combustible insulation slab, used for structural elements such as roofs, concrete car park soffits and similar applications.
The black tissue facings on two sides helps to avoid th..
25mm Black Tissue Faced 2 Sides Knauf RS45 Insulation Slab
Class A1 Non-combustible Rock Mineral Wool Insulation Slab
Provides from 30 minutes up to 240 minutes fire protection
Density 45kg/m3 Thermal conductivity (lambda) of 0.035W/mK
Used for structural elements such as concrete car park soffits
25mm Black Tissue Faced Knauf RS45 Insulation Slab is a rock mineral wool based, class A1 non-combustible insulation slab, used for structural elements such as roofs, concrete car park soffits and similar applications.
Rocksilk RS45 is a high-efficiency insulation slab with a certified lambda val..
25mm Black Tissue Faced Knauf Rocksilk RS45 Insulation Slab A1
Class A1 Non-combustible Rock Mineral Wool Insulation Slab
Provides from 30 minutes up to 240 minutes fire protection
Density 45kg/m3 Thermal conductivity (lambda) of 0.035W/mK
Used for structural elements such as concrete car park soffits
25mm Double Sided Aluminum Foil Slab Rockwool RW5 (100kg) is a foil faced on both sides stone wool resin bonded slab developed to prevent the spread of flames and inhibit heat and smoke through concealed spaces in buildings.
Rockwool RW5 Foil Faced Two Sides Fire Barrier Slab 25mm x 600mm x 1200m..
25mm Double Sided Foil Faced Fire Slab Rockwool RW5
100kg density - Foil Faced on Both Sides Fire Barrier Slab
Developed to prevent the spread of flames and inhibit heat
Conform with the Building Regulations Approved Document B
Excellent fire performance classified as Euroclass A1 | Class 'O'
25mm Foil Faced on Both Sides Rocksilk RS45 Knauf Fire Insulation Slab is a standard density (45kg/m3) non-combustible rock mineral wool two-sided foil-faced slab with a great fire performance (Class A1) suitable for use in multiple applications.
Knauf RS45 1200mm x 600mm x 25mm double sided alum..
FOIL FACED BOTH SIDES Slab - FFx2
Class ‘O’ to the Building Regulations - Euroclass A1
Density: 45kg/m3 - Excellent thermal and acoustic properties
Class 1 Surface Spread of Flame - Non-combustible - Odourless, Rot Proof, Non-Hygroscopic
Durability: do not sustain vermin and will not encourage the growth of fungi, mould or bacteria.
25mm Foil Backed Double Sided Insulation Slab RW3 (11.52m²/pack) is an aluminium foil faced on both sides stone wool resin bonded slab developed to prevent the spread of flames and inhibit heat and smoke through concealed spaces in buildings.
Rockwool RW3 Foil Faced Two Sides Fire Barrier Slab 25..
Double Sided Foil Facing Fire Slab Rockwool RW3 - 25mm
Aluminium Foil Faced on Both Sides Fire Barrier Slab
Developed to prevent the spread of flames and inhibit heat
Conform with the Building Regulations Approved Document B
Excellent fire performance classified as Euroclass A1 | Class 'O'
25mm Foil Faced 1 Side Fire Insulation Slab Rockwool RW5 is a high performance foil faced fire and acoustic stone wool core insulation slab used where fire resistant walls need to be continued above a ceiling into the roof void.
Rockwool RW5 Foil Backed Slab is an A1 class, non-combustible alumin..
25mm Foil Faced 1 Side Insulation Slab Rockwool RW5
100kg density - Foil Faced on One Side Fire Barrier Slab
Developed to prevent the spread of flames and inhibit heat
Conform with the Building Regulations Approved Document B
Excellent fire performance classified as Euroclass A1 | Class 'O'
25mm Foil Faced Fire Slab Rockwool RW3 (11.52m² / pack) is a high performance foil faced fire and acoustic stone wool core insulation slab developed to prevent the spread of flames and inhibit heat and smoke through concealed spaces in buildings.
Rockwool RW3 Foil Faced Slabs (60kg per m3) are si..
Rockwool RW3 Foil Faced Fire Slab 25mm (60kg/m3)
Aluminium foil faced fire and acoustic stone wool slab
Developed to prevent the spread of flames and inhibit heat
Conform with the Building Regulations Approved Document B
Great fire performance classified as Euroclass A1 | Class 'O'
25mm Foil Faced Rocksilk RS100 Knauf Insulation Slab is a high-density (100kg/m3) non-combustible rock mineral wool foil backed rigid insulation slab with a great fire performance classified as Euroclass A1, suitable for use in multiple applications.
Knauf RS100 1200mm x 600mm aluminium foil slab..
25mm Foil Faced Rocksilk RS45 Knauf Insulation Slab is a standard density (45kg/m3) non-combustible rock mineral wool foil backed building slab with a great fire performance classified as Euroclass A1, suitable for use in multiple applications.
Knauf RS45 1200mm x 600mm foil backed slab provides ..
25mm Foil Faced Rocksilk RS60 Knauf Insulation Slab is a medium density (60kg/m3) non-combustible rock mineral wool foil backed building slab with a great fire performance classified as Euroclass A1, suitable for use in multiple applications.
Knauf RS60 1200mm x 600mm aluminium foil insulation sl..
25mm Foil Faced on Both Sides Rocksilk RS100 Knauf Insulation Slab is a high-density (100kg/m3) non-combustible rock mineral wool foil-faced two-sides rigid insulation slab with a great fire performance (Class A1) suitable for use in multiple applications.
Knauf RS100 1200mm x 600mm aluminium foi..
FOIL FACED BOTH SIDES Slab - FFx2
Class ‘0’ to the Building Regulations Euroclass A1
Density: 100kg/m3 Excellent thermal and acoustic properties
Class 1 Surface Spread of Flame Non-combustible
Provides excellent fire, thermal and acoustic performance.
25mm Foil Faced on Both Sides Rocksilk RS60 Knauf Fire Insulation Slab is a medium density (60kg/m3) non-combustible rock mineral wool foil-faced two-sides slab with a great fire performance (Class A1) suitable for use in multiple applications.
Knauf RS60 1200mm x 600mm aluminium foil insulation ..
FOIL FACED BOTH SIDES Slab - FFx2
Class ‘0’ to the Building Regulations - Euroclass A1
Density: 60kg/m3 Excellent thermal and acoustic properties
Class 1 Surface Spread of Flame - Non-combustible
Durability: will not encourage the growth of fungi, mould or bacteria.
White Tissue Faced 2 Sides Knauf RS45 Insulation Slab is a 25mm thick rock mineral wool based, class A1 non-combustible insulation slab, used for structural elements such as roofs and concrete car park soffits.
25mm Rocksilk RS45 is a standard density (45kg/m3) insulation slab with a certified th..
25mm White Tissue Faced 2 Sides Knauf RS45 Insulation Slab
From 30 up to 240 minutes fire protection (1200x600x25mm slab)
Class A1 Non-combustible Rock Mineral Wool Insulation Slab
Density 45kg/m3 Thermal conductivity (lambda) of 0.035W/mK
Used for structural elements such as concrete car park soffits
25mm Knauf RS60 Black Tissue Faced Insulation Slab is an acoustic rock mineral wool based, class A1 non-combustible insulation slab, used for structural elements such as roofs, concrete car park soffits and similar applications.
Knauf Rocksilk RS60 is a medium density (60kg/m3) insulation slab wi..
Black Tissue Faced Knauf Rocksilk RS60 Insulation Slab A1 (25mm)
Density 60kg/m3 Thermal conductivity (lambda) of 0.034W/mK
Class A1 Non-combustible Rock Mineral Wool Insulation Slab
Provides from 30 minutes up to 240 minutes fire protection
Used for structural elements such as concrete car park soffits
25mm Rocksilk RS60 (Rock Mineral Wool Slab) Knauf Insulation Building Slab is a medium density (60kg/m3) non-combustible rock mineral wool unfaced slab designed for use in multiple applications with a great fire performance classified as Euroclass A1, which is the highest fire rating for non-combust..
Class 1 Surface Spread of Flame - Non-combustible
Class ‘O’ to the Building Regulations - Euroclass A1
Density: 60kg/m3 - Excellent thermal and acoustic properties
25mm Rocksilk RS100 Knauf (Rock Mineral Wool) Insulation Building Slab is a high-density (100kg/m3) non-combustible rock mineral wool unfaced rigid slab designed for use in multiple applications with a great fire performance classified as Euroclass A1, which is the highest fire rating for non-combus..
Class 1 Surface Spread of Flame - Non-combustible
Class ‘0’ to the Building Regulations - Euroclass A1
Density: 100kg/m3 Excellent thermal and acoustic properties
25mm Rocksilk RS45 Knauf Rock Mineral Wool Insulation Slab is a standard density (45kg/m3) non-combustible rock mineral wool building slab designed for use in multiple applications with a great fire performance classified as Euroclass A1, which is the highest fire rating for non-combustible material..
Class 1 Surface Spread of Flame - Non-combustible
Class ‘O’ to the Building Regulations - Euroclass A1
Density: 45kg/m3 - Excellent thermal and acoustic properties
25mm White Tissue Faced 2 Sides Rockwool Rockwool RW3 is a highly-durable class A1 fire resistant resin bonded wool insulation slab, used for structural elements such as roofs, concrete car park soffits and similar applications.
An unique white tissue facings on both sides helps to avoid the slab..
25mm Rockwool RW3 White Tissue Faced 2 Sides Insulation Slab
Strong A1 class, non-combustible fire resistant resin bonded slab
Provides from 30 minutes up to 240 minutes fire protection
Density 60kg/m3 Thermal conductivity (lambda) of 0.034 W/mK
For structural elements such as roofs, concrete car park soffits
25mm White Tissue Faced 1 Side Rockwool RW3 is a strong A1 class, non-combustible fire resistant resin bonded wool insulation slab, used for structural elements such as roofs, concrete car park soffits and similar applications.
This individual white tissue facing helps to avoid the slab edges fro..
25mm Rockwool RW3 White Tissue Faced 1 Side Insulation Slab
Strong A1 class, non-combustible fire resistant resin bonded slab
Provides from 30 minutes up to 240 minutes fire protection
Density 60kg/m3 Thermal conductivity (lambda) of 0.034 W/mK
For structural elements such as roofs, concrete car park soffits
25mm Black Tissue Faced Both Sides RW5 is a highly durable A1 class, non-combustible fire resistant resin bonded stone wool insulation slab, used for structural elements such as concrete car park soffits and similar applications.
Black Tissue Faced Both Sides Rockwool RW5 (Formerly ProRox® SL 960..
25mm Black Tissue Faced Rockwool RW5 is a highly durable A1 class, non-combustible fire resistant resin bonded stone wool insulation slab, used for structural elements such as concrete car park soffits and similar applications.
Rockwool RW5 Insulation Slab 25mm x 600mm x 1200mm with black tissue ..
25x600x1200mm Rockwool RW5 Black Tissue Faced Slab A1
Formerly ProRox® SL960 Thermal conductivity of 0.034W/mK
Used for structural elements such as concrete car park soffits
A1 class, non-combustible fire resistant stone wool insulation slab
Provides from 30 minutes up to 240 minutes fire protection
25mm White Tissue Faced 2 Sides Rockwool RWA45 is a strong non-combustible fire resistant resin bonded wool insulation slab, used for structural elements such as roofs, concrete car park soffits and similar applications.
White Tissue Faced Two Sides RWA45 (Formerly ProRox® SL 920) is a standard d..
25mm Rockwool RWA45 White Tissue Faced Two Sides Slab x2
Semi-rigid, A1 non-combustible fire resistant insulation slab
Provides from 30 minutes up to 240 minutes fire protection
Density 45kg/m3 Thermal conductivity (lambda) of 0.035W/mK
Used for structural elements such as concrete car park soffits
25mm White Tissue Faced Rockwool RWA45 is a tough A1 class, non-combustible fire resistant resin bonded wool insulation slab, used for structural elements such as roofs, concrete car park soffits and similar applications.
Rockwool RWA45 Insulation Slab 25x600x1200mm faced with white tissue on 1 s..
25mm Rockwool RWA45 White Tissue Faced One Side Slab x1
Semi-rigid, A1 non-combustible fire resistant insulation slab
Provides from 30 minutes up to 240 minutes fire protection
Density 45kg/m3 Thermal conductivity (lambda) of 0.035W/mK
Used for structural elements such as concrete car park soffits
25mm Knauf RS100 Insulation Slab Black Tissue Faced One Side is a rigid A1 class, non-combustible fire resistant insulation slab, used for structural elements such as roofs, concrete car park soffits and similar applications.
Knauf Rocksilk RS100 is a high density (100kg/m3) insulation slab with ..
25mm Knauf RS100 Black Tissue Faced 1 Side Insulation Slab A1
High density 100kg/m3 Thermal conductivity (lambda) 0.034W/mK
Class A1 Non-combustible Rock Mineral Wool Insulation Slab
Provides from 30 minutes up to 240 minutes fire protection
Used for structural elements such as concrete car park soffits
White Tissue Faced 1 Side Knauf RS100 Insulation Board 25mm is a rigid fire, thermal and acoustic class A1 insulation slab, used for structural elements such as roofs, concrete soffits and similar applications.
Rocksilk RS100 is a high density (100kg/m3) insulation slab with a certified thermal c..
25mm Knauf RS100 White Tissue Faced 1 Side Insulation Slab - 100kg
From 30 up to 240 minutes fire protection (1200x600x25mm slab)
Class A1 Non-combustible Rock Mineral Wool Insulation Slab
Density 100kg/m3 Thermal conductivity (lambda) of 0.034W/mK
Used for structural elements such as concrete car park soffits
25mm White Tissue Faced 1 Side Knauf RS45 Insulation Slab is a rock mineral wool based, class A1 non-combustible insulation slab, used for structural elements such as roofs, concrete car park soffits and similar applications.
The white tissue facing on one side helps to avoid the slab edges from ..
White Tissue Faced Knauf RS45 Insulation Slab 25x600x1200mm
Class A1 Non-combustible Rock Mineral Wool Insulation Slab
Provides from 30 minutes up to 240 minutes fire protection
Density 45kg/m3 Thermal conductivity (lambda) of 0.035W/mK
Used for structural elements such as concrete car park soffits
25mm RW3 Double Sided Black Tissue Faced Soffit Slab is a thermal, fire and acoustic insulation slab particularly suited for providing fire resistance and thermal insulation through concrete car park soffits and similar applications.
Black Tissue Faced Both Sides Rockwool RW3 (Formerly ProRox® SL..
Black Tissue Faced 2 Sides 25mm Insulation Slab Rockwool RW3
Soffit Slab for providing fire resistance and thermal insulation
Used for structural elements such as concrete car park soffits
A1 class, non-combustible fire resistant stone wool insulation slab
Provides from 30 minutes up to 240 minutes fire protection
25mm Rockwool RW3 Black Tissue Faced Soffit Slab is a strong rigid, 60kg density non-combustible fire resistant resin bonded stone wool insulation slab, used for structural elements such as concrete car park soffits.
Black Tissue Faced Rockwool RW3 (Formerly ProRox® SL 930) is a medium-density 60..
25mm Rockwool RW3 Black Tissue Faced Insulation Slab A1
A1, non-combustible fire resistant resin bonded stone wool
Provides from 30 minutes up to 240 minutes fire protection
Density 60kg/m3 Thermal conductivity (lambda) of 0.034W/mK
Used for structural elements such as concrete car park soffits
25mm Rockwool RW3 Acoustic Insulation Slab (Prorox SL930) is a robust, medium-density (60kg/m3) non-combustible resin bonded semi-rigid fire resistant insulation slab designed for use in floors, roofs at rafter level, partitions, ceilings, timber and steel frame walls.
Using RW3 Insulation in cei..
RW3 is rated Euroclass A1 non-combustible
Excellent thermal, acoustic and fire performance
RW3 insulation slabs achieve Lambda 0.034W/mK
RW3 is a robust insulation solution for a range of general building applications
Durable insulation solution which will maintain high performance over the lifetime of the building
25mm Rockwool RW5 Slab Acoustic, Fire and Thermal Insulation (Prorox SL960) is a strong, high-density (100kg/m3) non-combustible resin bonded rigid fire resistant insulation slab designed for use in floors, roofs at rafter level, partitions, ceilings, timber and steel frame walls.
Using Rockwool ..
RW5 is rated Euroclass A1 non-combustible
Excellent thermal, Acoustic (100kg density) and fire performance
25mm White Tissue Faced 1 Side Rockwool RW5 is a rigid A1 class, non-combustible fire resistant resin bonded stone wool insulation slab, used for structural elements such as roofs, concrete car park soffits and similar applications.
The white tissue facing on one side helps to avoid the slab edge..
25mm White Tissue Faced 1 Side Rockwool RW5 Insulation Slab
High-density 100kg/m3 and an excellent sound absorbing qualities
Provides from 30 minutes up to 240 minutes fire protection
Certified thermal conductivity (lambda value) of 0.034 W/mK
For structural elements such as roofs, concrete car park soffits
25mm Rockwool RWA45 Acoustic Insulation Slab (Prorox SL920) is a robust, standard density (45kg/m3) non-combustible resin bonded semi-rigid fire resistant insulation slab designed for use in floors, roofs at rafter level, partitions, ceilings, steel and timber frame walls.
Using RWA45 Acoustic In..
RWA45 is rated Euroclass A1 non-combustible
Excellent thermal, acoustic and fire performance
RWA45 insulation slabs achieve Lambda 0.035W/mK
RWA45 is a robust insulation solution for a range of general building applications
Durable insulation solution which will maintain high performance over the lifetime of the building
25mm Black Tissue Faced 2 Sides Insulation Slab Rockwool RWA45 is an A1 class, non-combustible fire resistant resin bonded stone wool insulation slab, used for structural elements such as concrete car park soffits.
Rockwool RWA45 Insulation Slab 25x600x1200mm with black tissue on 2 sides can prov..
Black Tissue Faced 2 Sides 25mm Rockwool RWA45 Insulation Slab
Class A1, non-combustible fire resistant resin bonded stone wool slab
Density of 45kg/m3 and thermal conductivity (lambda) of 0.035W/mK
Black tissue on 2 sides can provide from 30min up to 240min fire protection
For structural elements such as concrete car park soffits and similar applications
25mm Knauf RS60 White Tissue Faced 2 Sides Insulation Slab is a robust A1 non-combustible slab, used as a fire, thermal and acoustic insulation for structural elements such as roofs and concrete car park soffits.
Rocksilk RS60 is a medium density (60kg/m3) insulation slab with a certified thermal..
25mm RW5 White Tissue Faced Two Sides Slab is a 100kg/m3 density insulation slab faced with white tissue on both sides, used as a fire resistant, acoustic and thermal insulation for roofs, concrete car park soffits and similar applications.
This special white tissue facings on both sides helps to..
Rockwool RW5 White Tissue Faced 2 Sides Insulation Slab 25mm
Robust A1 class, non-combustible fire resistant resin bonded slab
Provides from 30 minutes up to 240 minutes fire protection
Density 100kg/m3 Thermal conductivity (lambda) of 0.034 W/mK
For structural elements such as roofs, concrete car park soffits
The 30mm Knauf RS140 is a rock mineral wool insulation slab with an excellent class A1 fire rating to BS EN 13501-1 used in multiple thermal and acoustic applications where 140kg/m3 density is critical.
RS140 Rocksilk is manufactured with a density of 140kg/m3, designed for use in a variety of ap..
30mm x 600mm x 1200mm Knauf Rocksilk RS140 (140kg/m3)
Class A1 Non-combustible Rigid Rock Mineral Wool Insulation Slab
Fire, thermal and acoustic insulation slab used for building applications
Manufactured in 140kg density per m3 - Class ‘0’ to Building Regulations
Used in floors, roofs at rafter level, partitions, ceiling, timber & steel frame
30mm Rockwool RW6 (140kg) is a rigid class A1 non-combustible resin bonded insulation slab with an excellent fire, thermal and acoustic properties used for a wide range of building applications.
Rockwool RW6 Slab is manufactured in 140kg density per cubic meter (140kg/m3), specially designed for ..
30mm x 600mm x 1200mm Rockwool RW6 (140kg density) Class A1
Non-combustible resin bonded Rigid Stone Wool Insulation Slab RW6
Fire, thermal and acoustic slab used for a wide range of building applications
Manufactured in 140kg density per m3 - Class ‘0’ to Building Regulations
Used in floors, roofs at rafter level, partitions, ceilings, timber and steel frame walls
30mm Foil Faced 2 Sides Rockwool RW6 (140kg) is a foil faced and backed class A1 insulation slab with an excellent fire, thermal and acoustic properties used for a wide range of building applications.
Foil Faced Two Sides (FFx2) Rockwool RW6 30x600x1200mm fire performance integrity is 240 minutes..
30mm x 600mm x 1200mm Foil Faced x2 Sides Rockwool RW6 (140kg/m3)
Class A1 Non-combustible Rigid Stone Wool Insulation Slab Rockwool RW6
Fire, thermal and acoustic slab used for a wide range of building applications
Manufactured in 140kg density per m3 - Class ‘0’ to Building Regulations
Used in soffits, floors, roofs at rafter level, partitions, ceilings, walls
30mm Foil Faced Rockwool RW6 (140kg) is a foil backed class A1 non-combustible insulation slab with an excellent fire, thermal and acoustic properties used for a wide range of building applications.
Rockwool RW6 Foil Faced x1 Side Slab 30x600x1200mm fire performance integrity is 240 minutes, and ..
30x600x1200mm Foil Faced x1 Side Rockwool RW6 (140kg density m3)
Class A1 Non-combustible Rigid Stone Wool Insulation Slab Rockwool RW6
Fire, thermal and acoustic slab used for a wide range of building applications
Manufactured in 140kg density per m3 - Class ‘0’ to Building Regulations
Used in soffits, floors, roofs at rafter level, partitions, ceilings, walls
30mm Terrawool TW50 Acoustic Insulation Slab is a standard density (50kg/m3) non-combustible thermal and acoustic stone wool insulation slab used to insulate the floors, internal partition walls and separating wall applications.
Terrawool TW50 Insulation Slab 30mm is a high-performance recyclable..
50mm Foil Faced Two Sides Rockwool RW4 is used to prevent the spread of flames, heat, smoke and fire through concealed spaces in buildings, a rigid class A1 non-combustible resin bonded insulation slab.
Rockwool RW4 Foil Faced 2 Sides Slab 50mm x 600mm x 1200mm fire performance integrity is 240 m..
Foil Faced x2 Sides Rockwool RW4 (80kg/m3) A1 Class 1200x600x50mm
Non-combustible resin bonded Rigid Stone Wool Insulation Slab RW4 (FFx2)
Fire, thermal and acoustic slab used for a wide range of building applications
Manufactured in 80kg density per m3 - Class ‘0’ to Building Regulations (FFx2)
Fire performance integrity is 240 minutes, and 60 minutes for the insulation core
50mm Foil Faced Rockwool RW4 is used to prevent the spread of flames, heat, smoke and fire through concealed spaces in buildings, a rigid class A1 non-combustible resin bonded insulation slab.
Rockwool RW4 Foil Faced Slab 50mm x 600mm x 1200mm fire performance integrity is 240 minutes, and 60 min..
Foil Faced x1 Side Rockwool RW4 (80kg/m3) A1 Class 1200x600x50mm
Non-combustible resin bonded Rigid Stone Wool Insulation Slab RW4
Fire, thermal and acoustic slab used for a wide range of building applications
Manufactured in 80kg density per m3 - Class ‘0’ to Building Regulations
Fire performance integrity is 240 minutes, and 60 minutes for the insulation core
50mm Knauf Rocksilk Flexible Insulation Slab is a functional thermal and acoustic multi-purpose rock mineral wool insulation slab which can be used to insulate a wide range of applications on site such as timber and metal stud partitions, timber frame walls and suspended timber floors.
Knauf Flex..
50mm Rockwool RW4 (80kg) is a robust, class A1 non-combustible resin bonded rigid insulation slab with an excellent fire, thermal and acoustic properties used for a wide range of building applications.
Rockwool Stone Wool Insulation Slab if correctly installed exceeds the minimum requirements of ..
50mm x 600mm x 1200mm Rockwool RW4 (80kg density) Class A1
Non-combustible resin bonded Rigid Stone Wool Insulation Slab RW4
Fire, thermal and acoustic slab used for a wide range of building applications
Manufactured in 80kg density per m3 - Class ‘0’ to Building Regulations
Used in floors, roofs at rafter level, partitions, ceilings, timber and steel frame walls
25mm Knauf Rocksilk RS100 (100kg) Black Tissue Faced 2 Sides Insulation Slab is a strong and durable class A1 non-combustible rock mineral wool insulation slab, used for structural elements such as roofs and concrete car park soffits.
Knauf Rocksilk RS100 is an ultimate (100kg per cubic metre den..
25mm Knauf RS100 Black Tissue Faced Two Sides Insulation Slab
Density 100kg/m3 Thermal conductivity (lambda) of 0.034W/mK
Provides from 30 minutes up to 240 minutes fire protection
Class A1 Non-combustible Rock Mineral Wool Insulation Slab
Used for structural elements such as concrete car park soffits
Foil Faced 2 Sides Fire Slab Rockwool RWA45 25mm is an aluminium foil faced both sides fire and acoustic stone wool core insulation slab developed to prevent the spread of flames and inhibit heat and smoke through concealed spaces in buildings.
Rockwool RWA45 Foil Faced Two Sides Fire Barrier Sla..
Foil Faced 2 Sides Fire Slab Rockwool RWA45 25mm
Aluminium Foil Faced Both Sides Fire Barrier Slab
Developed to prevent the spread of flames and inhibit heat
Conform with the Building Regulations Approved Document B
Great fire performance classified as Euroclass A1 | Class 'O'
25mm White Tissue Faced Two Sides Knauf Rocksilk RS100 Slab is a strong rock mineral wool based, class A1 insulation slab, used for structural elements such as roofs, concrete soffits and similar applications.
The white tissue facings on both sides helps to avoid the slab edges from showing as sh..
25mm Knauf RS100 White Tissue Faced 2 Sides Insulation Slab
From 30 up to 240 minutes fire protection (1200x600x25mm)
Class A1 Non-combustible Rock Mineral Wool Insulation Slab
Density 100kg/m3 Thermal conductivity (lambda) of 0.034W/mK
Used for structural elements such as concrete car park soffits
25mm White Tissue Faced One Side Rocksilk RS60 Slab is an acoustic rock mineral wool based, class A1 non-combustible insulation slab, used for roofs, concrete car park soffits and similar applications.
The white tissue facing on one side helps to avoid the slab edges from showing as shadows throu..
25mm White Tissue Faced 1 Side Knauf RS60 60kg Insulation Slab
From 30 up to 240 minutes fire protection (1200x600x25mm slab)
Class A1 Non-combustible Rock Mineral Wool Insulation Slab
Density 60kg/m3 Thermal conductivity (lambda) of 0.034W/mK
Used for structural elements such as concrete car park soffits
Rockwool RWA45 Foil Faced Fire Slab 25mm is an aluminium foil faced fire and acoustic stone wool core insulation slab developed to prevent the spread of flames.
Foil Faced Slab is a simple butt joint product that can be used where fire resistant walls need to be continued above a ceiling into the..
Rockwool RWA45 Foil Faced Fire Slab 25mm
Aluminium foil faced fire and acoustic stone wool slab
Developed to prevent the spread of flames and inhibit heat
Conform with the Building Regulations Approved Document B
Great fire performance classified as Euroclass A1 | Class 'O'
25mm Black Tissue Faced Insulation Slab Rockwool RWA45 is an A1 class, non-combustible fire resistant resin bonded stone wool insulation slab, used for structural elements such as concrete car park soffits.
Rockwool RWA45 Insulation Slab 25mm x 600mm x 1200mm with black tissue on 1 side can provi..
25mm Rockwool RWA45 Black Tissue Faced Insulation Slab
A1, non-combustible fire resistant resin bonded stone wool
Provides from 30 minutes up to 240 minutes fire protection
Density 45kg/m3 Thermal conductivity (lambda) of 0.035W/mK
Used for structural elements such as concrete car park soffits
30mm Black Foil Faced RS45 Knauf is a composite black foil faced on one side non-combustible rock mineral wool insulation slab with an excellent class A1 fire performance.
Knauf RS45 1200mm x 600mm x 30mm black foil backed slab provides outstanding fire, thermal and acoustic performance for both ..