Particle Boards

What are particle boards used for?

Particle boards have a dense, uniform structure and a smooth surface that works well for interior finishing. Under normal indoor conditions, they are dimensionally stable, helping the boards maintain their shape and size after installation.

Unlike insulation boards, particle boards are not intended to provide thermal insulation or sound absorption. They also should not be treated as structural panels where significant load-bearing strength is required. Their main advantages are an economical price, consistent surface and ease of cutting and installation.

What types of particle boards are available?

Particle boards are produced for different indoor conditions and applications. Standard particle boards are intended for dry interior spaces, such as living areas and other rooms with normal humidity. Moisture-resistant particleboard is designed for spaces where humidity may be higher, such as utility rooms.

Boards are also available in different thicknesses depending on the rigidity required for the application. These differences allow the board to be matched to both the indoor conditions and the demands of the finished structure.

When should moisture-resistant particleboard be chosen?

Because particleboard is made primarily from wood particles, prolonged exposure to moisture can cause the material to swell and lose mechanical strength.

Moisture-resistant particleboard is a better choice for utility rooms and other indoor spaces where humidity may periodically be higher than in normal dry rooms. Its improved moisture resistance provides additional protection under these conditions, but it does not make the board waterproof. Even moisture-resistant particleboard should not be exposed to prolonged direct contact with water.

How do you choose the right particle board thickness?

Particle boards are available in different thicknesses to accommodate different interior applications. Thinner boards are commonly used for lightweight cladding and finishing, while thicker boards provide greater rigidity and are less likely to deflect during use.

Increasing the thickness does not turn particleboard into a structural board. Even thicker panels should not be used to support significant structural loads unless the specific product is approved by the manufacturer for that purpose.

What should be considered when installing particle boards?

How particle boards are cut, protected and fastened can affect their performance after installation. Cut edges are particularly vulnerable to moisture, while unsuitable fasteners or poor fastener placement can damage the board.

Taking these characteristics into account during installation helps prevent swelling, cracking and weakened connections.

Why should cut edges be protected?

The manufactured surface of a particle board is denser than the exposed material left after cutting. These cut edges can allow moisture to enter the board more readily.

Avoid leaving cut edges exposed where elevated moisture is expected. Where necessary, use a protective coating or edge treatment suitable for the specific particle board and application.

Why are the right fasteners important?

Particle boards generally provide less fastener-holding strength than solid wood, particularly near their edges. Using appropriate fasteners and placing them correctly helps reduce the risk of cracking or crumbling around the connection.

Avoid repeatedly driving screws into the same hole. Once the surrounding particles have been disturbed, the board may no longer hold the fastener as securely.

How should particle boards be stored?

Particle boards should remain dry and properly supported before installation. Exposure to moisture during storage can cause swelling or deformation before the material is ever installed, while uneven support can allow boards to sag or warp. To protect the baords during storage:

• keep them in a dry area protected from precipitation;
• place them flat on a level, stable base;
• prevent prolonged contact with wet floors or other sources of moisture.