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.
8mm RCM Cemboard Cement Bonded Particle Board is a rigid, medium density cement bonded particle building board that can be used behind all types of façade solutions, as well as in many acoustic floor and roof constructions.
RCM Cemboard 8mm x 1200mm x 2400mm offers great strength, stability and e..
Internal linings and flooring application
External sheathing board - under 18m in height
RCM Cemboard cannot be left permanently exposed
RCM Cemboard is not suitable for plaster skim coat
10mm Cemboard Cement Bonded Particle Board RCM is a high performance cement bonded particle building board used behind all types of façade solutions, as well as in many acoustic floor and roof constructions.
RCM Benx Cemboard 10mm x 1200mm x 2400mm offers great strength, stability and excellent a..
Internal linings and flooring application
External sheathing board - under 18m in height
RCM Cemboard cannot be left permanently exposed
RCM Cemboard is not suitable for plaster skim coat
12mm Cement Bonded Particle Board RCM Cemboard is a strong high performance cement bonded particle building board that can be used behind all types of façade solutions, as well as in many acoustic floor and roof constructions.
RCM Cemboard 12mm x 1200mm x 2400mm offers great strength, stability a..
Internal linings and flooring application
External sheathing board - under 18m in height
RCM Cemboard cannot be left permanently exposed
RCM Cemboard is not suitable for plaster skim coat
16mm RCM Cemboard Cement Bonded Particle Building Board is a high performance 2400mm x 1200mm board that can be used behind all types of façade solutions, as well as in many acoustic floor and roof constructions.
RCM Cemboard 16mm thick offers great strength, stability and excellent acoustic prop..
Internal linings and flooring application
External sheathing board - under 18m in height
RCM Cemboard cannot be left permanently exposed
RCM Cemboard is not suitable for plaster skim coat
RCM Cemboard Cement Bonded Particle Board 18mm x 1200mm x 2400mm is a rigid medium density cement bonded particle board used primarily as an external sheathing board in façade solutions, as well as a acoustic floor and roof construction board.
18mm Benx RCM Cemboard offers great strength, stabili..
Internal linings and flooring application
External sheathing board - under 18m in height
RCM Cemboard cannot be left permanently exposed
RCM Cemboard is not suitable for plaster skim coat
20mm RCM Cemboard Cement Bonded Particle Board 8x4 is a rigid high performance CBP building board that can be used behind all types of façade solutions, as well as in many acoustic floor and roof constructions.
RCM Cemboard 20mm x 1200mm x 2400mm offers great strength, stability and excellent aco..
Internal linings and flooring application
External sheathing board - under 18m in height
RCM Cemboard cannot be left permanently exposed
RCM Cemboard is not suitable for plaster skim coat
24mm RCM Cemboard Cement Bonded Particle Board is a medium density high performance rigid building board that can be used behind all types of façade solutions, as well as in many acoustic floor and roof constructions.
RCM Cemboard 24mm offers great strength, stability and excellent acoustic prope..
Internal linings and flooring application
External sheathing board - under 18m in height
RCM Cemboard cannot be left permanently exposed
RCM Cemboard is not suitable for plaster skim coat