Cementbonded wood particle boards are believed to lose strength after ageing because wood is thought to be susceptible to degradation in. It is available in a variety of finishes, including plastic laminated veneers, patterned veneers, vinyl foil veneers and melaminefaced particle. Identification of the substance preparation and of the company undertaking duripanel supplier. Cement bonded particle boards are manufactured from cement, wood and some additive. Modules of elasticity bending 3000 nmm2 bending strength 9nmm2 transverse tensile strength perpendicular to surface 0. Omniroc leads the industry in offering innovative safe, affordable, noncombustible cement bonded particle board cbpb for firerated roofs, floors and walls for schools, nursing homes, hospitals, elderly housing, residential, multifamily dwellings, daycare centers and other commercial buildings. A2 versapanel cement bonded particle board by performance. Boards will improve the overall acoustic performance based on the boards mass content and. Particle moisture content effects on the physical and. Long panels with cement bonded chip wood plates may have slight curving. Cement bonded particle boards cbpb are traditionally made of wood fibres, cement and water, usually with some additives to speed up the bonding process, in traditional production caused by hydration of cement.
Pdf the study was design to evaluate the physical and mechanical properties of cementbonded particleboards produced from afzelia. Armoroc structural cement board is a fireresistant alternative to wood based sheetgoods and poured systems. Durability characteristics of cementbonded particleboards. A2 versapanel cement bonded particle board by performance technology a cement bonded particle board comprising of wood particles and cement with exceptional strength and durability compared with exterior gypsum boards. Study of the utilization of waste from manufacture of cementbonded. It is suitable for a wide range of applications,giving a high level of performance in the presence of moisture and fire. Armoroc is a structural cement board cement bonded particle board. This com posite has some unique charac teristics such as fire. The enterprise amroc baustoffe gmbh, located to the north of magdeburg germany, produced cement bonded particle boards cbpb in the highest quality standards. The dpanel with ementonded partile oard is particularly suitable for applications with aggressive environment like, for example, barn buildings. Versapanel cement particle board by performance technology.
Waste, cementbonded particleboard, modification, analysis. Versaroc is a cement bonded particle board composed of mineralized wood particles and portland cement. Pdf cement bonded particle boards with different types of. Material the betonfloor cement bonded particle boards combines the advangates features of the cement with the wood properties. The first value depends on the cement wood ratio but the second.
Amroc cement boards are versatile construction panels. Armoroc is a cement bonded particle board ameriform. Cementbonded particleboards are wood composites consisting of wood particles or other natural fibres such as hemp or flax and a mineral bonding agent. Pdf on jan 1, 2018, bjorn marteinsson and others published cement bonded particle boards with different. Cement bonded wood composites as an engineering material ronald w. Strong and dimensional stable cementbonded boards could be manufactured from maize stalk particles with portland cement as the binder.
Betonwood ecological panels in cemen bonded to high density the cement bonded chipboard is a board product made in flat press from reduced wood material, wood chips with addition of hydraulic binder portland cement and chemical additive for application in the building industry. During the manufacturing and curing process, the wood. Particle board manufacturing process cement bonded. Prelaminated cement bonded particle board specification number of amendments. Pdf evaluation of cementbonded particle board produced from. The betonwood panel has a great density 50 kgm3, it is a multipleuse material for green building. Particle board is produced by reducing timber to particles, generally less than 2 mm in any dimension. Pdf evaluation of cementbonded particle board produced. Increasing initial particle moisture content from 06% to 6080% resulted in the reduction of the physical and mechanical properties of the boards. Particle board, as a product, dates from the early 20th century and developed in use during the world war ii to utilise inferior wood and wood waste when good quality wood was in low supply stark et al. Cementbonded particleboard with a mixture of wheat straw and.
Pdf effect of press temperature on some properties of. Used on metal and timber frame structures, it is a. The total weight of a standard pallet is approximately of 3. Cement bonded particle board is made a 4 foot by 8foot and is 14 to 12 inch thick. Omniroc fire resistant structural panels, cement bonded. Cement bonded particle board is manufactured using cement 60%, wood waste particulate like wood chips, sawdust, wooden shavings 20% and water 20%. Intended for use as an sfs sheathing board but may be used for other applications such as timber frame, modular or offsite. In the case of cement bonded particle board a distinction is made between total water cement ratio and effective water cement ratio. Legally binding document step out from the old to the newjawaharlal nehru invent a new india using knowledge.
The quality, is guaranteed by the greater institutes of. We investigated the hydration behavior and some physicalmechanical properties of cementbonded particleboard cbpb containing particles. A mixture of portland cement, wood and water is made in the ratio 3. Cement bonded particle board betonwood in portland cement anche wood. Not relevant ingredients % by weight cement 60 wood flake cement bonded particle boards in their manufactured form do not release airborne. Due to cement content, these boards are more durable, fireresistant and termite resistant.
Viroc is a composite material, composed by a compressed and dry mixture of pine wood particles and cement. The wood used is of fast growing species like eucalyptus and casurina. Jcw acoustic cement particle board is a high density overlay acoustic product suitable for floors and ceilings, specially designed to add concentrated mass. Bison panel is a cement bonded particle board made out of 62% cement 28% wood. Over the last years promising cement bonded wood composites for. The different board types available include the woodwool excelsior boards, gypsum bonded boards and cement bonded particleboards. It has been used in building construction mainly in wall and roof sheathing, floor, roof tiles, and fences. It is light gray in color and is flat and smooth on both surfaces.
In performance of biobased building materials, 2017. Used on both metal and timber frame structures, the product is used behind all types of facade solutions, as well as in acoustic. Versapanel conforms to the european standards en 6341 for cement bonded particle boards. Cement bonded particle boards with different types of.
Traditionally at 34 x 4 x 8, this panel cuts and installs with standard carpetry tool and equipment. Armoroc is a lightweight, fast alternative to poured concrete and because we offer a wide variety of ul tests and accept most finish systems, armoroc is ideal for your firerated. Cement bonded particle board is made by combining cement and reinforcing fibers. Viroc cement bonded particle board viroc is a composite material, composed by a compressed and dry mixture of pine wood particles and cement. It is placed a protective layer of a lower category wood chipboard or cement bonded particle boards on the upper and lower part of each pallet.
By combining the physical properties of portland cement with the strength of mineralized wood fibers, armoroc is well suited for applications where durability is a concern. Control particle size distribution important so as to optimise the position and size of the particles relative to their position in the board small particles on the surface, bigger particles in the core need to ensure that the board is balanced, i. Particle of nearly square or rectangular cross section with a length parallel to the gram of at least four times the thickness. Wood cement boards exhibit some inherent properties, which made them versatile as constructional material is for ceiling, roofing, flooring, partitioning, cladding, shuttering and wall panel members for low cost. Uses have focused primarily on the advantages of these composites. Wolfe agron gjinolli abstract wood cement composites have been used in the fabrication of building materials for more than 60 years. Global cemboards conference industry events pro global. Pretreatment of the board significantly influences the sorption characteristics. The betonwood cement bonded particle boards combines the advangates features of the cement with the wood properties. Versapanel is a class 0 cement bonded particle board comprising of wood particles and cement. Used where there is a requirement for a high performance result in acoustic control and fire retardance. Viva board is a class o product virtually incombustible according to bs 476 part 6 and 7 solubility in water gl.
Cementbonded wood composites as an engineering material. The end product is a dense, flat compressed cement board with a smooth surface and neat square edges, making it suitable for a variety of exterior, flooring and wetarea cladding app cations. The pallets are locked with with special plastic strapping, and the cement bonded particle board edges are protected. The use of cement bonded particle board will give overall high performance, reduced maintenance and have long term utility added to the. Due to adoption of special manufacturing process, the panel acquires the strength, the durability of cement and easy workability of wood a combination of qualities absent in other boards. Used primarily as an external sheathing board it provides excellent acoustic properties. Everest heavy duty fibre cement board is compressed in a 12000 mt hydraulic press to make it compact and rigid. Siniat marsh lane eastoningordano bristol bs20 0nf t 01275 377 773 opening hours. Due to adoption of special manufacturing process, the panel acquires the strength the durability of cement and easy workability of wood a combination of qualities absent in other boards. Rcm cemboard is a rigid, medium density, highperformance cement bonded particle building board offering great strength and stability. Evaluation of cementbonded particle board produced from afzelia africana wood residues article pdf available in journal of engineering science and technology 76. Versapanel is a cement bonded particle board intended for both internal and external use which has very high levels of performance in the presence of moisture and has high resistance to fire.