What is a cement-bonded particle board (CBPB): where it is used, characteristics and types

Cement-bonded particle board (CBPB) is a novel and adaptable building material that has become more and more popular in a range of construction endeavors. By fusing the flexibility of wood particles with the strength of cement, CBPB provides a special set of advantages that make it appropriate for a variety of applications. Making informed decisions about your building materials requires knowledge of what CBPB is and how it can be used, whether you work in residential, commercial, or industrial construction.

The durability of CBPB is one of its main features. The addition of wood particles gives flexibility and workability, while the cement component offers superior resistance to fire, moisture, and vermin. This mixture produces a material that, over time, can withstand severe circumstances while maintaining its integrity. CBPB is a great option for enhancing building comfort and energy efficiency because of its well-known acoustic and thermal insulation qualities.

There are several varieties of CBPB, each created to satisfy particular demands and specifications. There is a CBPB solution for practically any project, ranging from common boards used in wall and floor construction to specialty panels for decorative finishes or soundproofing. Builders and architects can select the best CBPB to improve the functionality and aesthetics of their structures by learning about the various types and their attributes.

CBPB stands out as an environmentally friendly choice as sustainability becomes a more crucial factor in construction. Its environmentally friendly profile is a result of the utilization of recycled wood particles and waste reduction during the production process. Builders can achieve high-quality results and lessen their project’s environmental impact by choosing CBPB.

Types of boards

The properties and composition of all CBPB are comparable. They are produced by pressing and then fermenting. For this, hydration additives, wood (24%), water, and cement (65%) are used. The composition contains neither adhesives nor resins.

Fibrolite

Long-fiber chips are used in the production of thermal insulation material. These sheets are soft, simple to work with, and immune to biological influences. The inorganic binders are responsible for these qualities. The material is impregnated with a calcium chloride solution and liquid glass during the manufacturing process. The fiberboard is no thicker than 15 centimeters.

Because the boards are small in mass, lifting equipment is not needed during installation. If it’s necessary to shield the space from unneeded noises (airborne and impact), this material is also used for finishing walls. The item is not easily cracked. Permanent formwork is another application for it.

Even in cold climates, this type of material can be installed; however, it needs to be further strengthened with waterproofing.

Arbolite

It’s a lightweight concrete mixed with rice straw, wood shavings, and chips. Because cement particle boards have poor strength, they should only be utilized in non-load bearing structures. They can serve as dividers for interior walls.

Arbolite is inexpensive, but it deforms easily and is heavy. Their areas of application include thermal insulation of buildings and private low-rise construction. It enables you to cut your heating expenses. The boards need to be well protected from moisture if they are going to be used outside the building. The material deteriorates quickly when it is continuously wet.

Xylolite

It has a unique mixture—Sorel cement—that gives the slabs resistance to water’s effects. If the floors and roofs are going to be exposed to moisture frequently, the boards are used to cover them. Xylolite is strong, comes in a variety of colors, and has good thermal insulation qualities. The material is utilized in the building of public, commercial, and residential structures.

The material only chars gradually when exposed to open fire. The boards are simple to process because of their high level of hardness. It can be sawed, nailed, planed, or otherwise worked on. It can be impregnated and painted.

Advantages and disadvantages of CSP

The following factors account for cement-bonded particle board popularity:

  • long service life (up to 50 years) subject to compliance with the installation technology;
  • good tensile and compressive strength due to the multilayer structure of the material (the boards are allowed to be used for the construction of frame structures);
  • high level of thermal and sound insulation;
  • environmental safety;
  • ease of processing;
  • the possibility of subsequent finishing with various decorative materials: putty, plaster, paint, wallpaper;
  • precise sizes of fragments, which reduces installation time;
  • resistance to fire, freezing temperatures, mildew and mold;
  • reasonable cost;
  • absence of decay processes even after exposure to moisture;
  • protection against damage by rodents.

Particle boards with cement bonding, however, can be weighty. They have a shorter service life in harsh environments. Additionally, the material’s bending strength is low.

Density and weight of the slab

The production technology affects the density of cement slabs. It falls between 1100 and 1400 kg per cubic meter. A slab that is 320*120*1 cm in size weighs 42–54 kg. The panel, which is 3.6 centimeters thick, has the largest mass. It weighs 194 kg and has a length of 3.2 meters. The humidity level has an impact on the density differential.

Wall cladding seldom uses heavy boards. They work well for capital projects like the construction of low-rise structures.

Cement-bonded particle board (CBPB) is a robust and adaptable building material composed of cement-bonded wood particles. With strength, moisture resistance, and fire resistance, it combines the best qualities of both materials and is perfect for a variety of construction applications. CBPB is frequently used as a backing board for tiles, wall panels, flooring, and roofing. From lighter options for decorative purposes to higher-density boards for structural uses, its various types meet a range of needs. Because of its resilience and practicality, CBPB is a popular material in contemporary construction.

Moisture resistance and biostability

Cement-fiber board is impervious to moisture and insect or rodent damage. Wood chips are mineralized to produce these qualities. Because cement is present, the material has moisture resistance. The board absorbs no more than 16% of the liquid after extended exposure.

Frost resistance

Because cement-fiber board only slightly absorbs moisture, it is not as likely to be destroyed in extremely cold temperatures. The item is resistant to fifty freeze-thaw cycles. In this instance, the strength is still 90% and there is no obvious damage.

The material can be used in non-heated rooms because of these qualities. Nevertheless, further measures to shield the panels from moisture buildup will be necessary. Waterproofing materials or a specific primer are used for this purpose.

Thermal conductivity and vapor permeability

Since cement-bonded particle boards are frequently used to insulate buildings, their thermal conductivity is a crucial factor to consider. Because the product is porous, the values of this parameter are small compared to brick and higher compared to plasterboard.

The boards have the same 0.03 mg/(m h Pa) vapor permeability as concrete. If the product is going to be used to build multi-layer walls, this feature needs to be considered. The building’s internal surfaces may benefit from additional cladding to increase thermal insulation.

Fire safety

The boards can be used to finish or construct buildings that will be used in high-temperature environments because the cement component gives them fire resistance.

  • poor flammability;
  • difficult flammability;
  • small amount of smoke;
  • no flame propagation.

Since the product is devoid of adhesives and resins, it does not release any harmful substances into the flames.

Environmental friendliness

To make CBPB, natural materials are utilized. The composition is free of formaldehyde and polystyrene, two substances that are harmful to health and can cause cancer.

Wood components are rendered resistant to decay by mineralizing additives, which lowers the possibility of mold or fungus growing and the formation of harmful microflora. These qualities enable you to keep the environment in the room healthy.

Processing

Even with the cement, drilling and cutting the boards is simple. Paint and putty applied to them smoothly. Wallpaper and tiles can be glued to the material after priming it.

The product is cut using a circular saw and a disc with carbide attachments. An additional option is to use a circle with diamond-coated teeth. In the event that no such cutting elements are available, an appropriately sized stone circle (abrasive cutting) may be used.

A metal drill fitted with carbide brazing is used for drilling. Work is done at slow or medium speeds. You’ll need to use a jigsaw with a diamond saw to make a hole in the plate. It is ideal to perform all tasks while wearing safety gear, goggles, and a respirator.

What is a Cement-Bonded Particle Board (CBPB)? Where it is Used Characteristics Types
A cement-bonded particle board (CBPB) is a type of building board made from a mixture of wood particles and cement. This combination makes the board strong, durable, and resistant to moisture and fire. CBPB is commonly used in construction for walls, floors, roofs, and ceilings. It is also used in making furniture and partitions, as well as for soundproofing and insulation purposes. CBPB is known for its high strength, durability, moisture resistance, fire resistance, and good acoustic properties. It is also resistant to pests and mold, making it suitable for both indoor and outdoor use. Types of CBPB include standard boards, which are used for general construction purposes, and specialty boards, which may have additional treatments or coatings for enhanced performance in specific applications.

A flexible and long-lasting building material, cement-bonded particle board (CBPB) blends the flexibility of wood particles with the strength of cement. Because of its distinct composition, CBPB is a well-liked option for a variety of construction uses, such as wall cladding, flooring, and roofing. Its endurance for both indoor and outdoor projects is enhanced by its resistance to fire, moisture, and pests.

CBPB is available in a variety of types and thicknesses to suit a range of requirements and tastes. While high-density options offer enhanced strength and durability for demanding environments, standard CBPB is ideal for general use. CBPB is suitable for a variety of residential, commercial, and industrial applications because it can also be treated to improve its thermal and acoustic properties.

Because of its high load-bearing capacity, stability, and ease of installation, CBPB is a dependable and effective material for use in contemporary building. Whether employed as decorative or structural components, CBPB provides a workable and visually pleasant solution that satisfies modern building codes.

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Anna Vasilieva

Journalist with a technical education, specializing in construction topics. I can explain complex technical topics in simple and accessible language.

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