Insulation properties play a crucial role in many construction and industrial applications. As a leading supplier of film faced plywood, I am often asked about the insulation characteristics of this versatile material. In this blog post, I will delve into the insulation properties of film faced plywood, exploring its effectiveness, factors influencing insulation, and its applications in various fields.
Understanding Film Faced Plywood
Film faced plywood is a type of engineered wood product that consists of multiple layers of wood veneers bonded together with an adhesive. What sets it apart is the thin film layer that is applied to one or both sides of the plywood. This film can be made from various materials, such as phenolic resin, melamine, or epoxy, which provide additional protection and enhance the plywood's performance.
Insulation Mechanisms in Film Faced Plywood
The insulation properties of film faced plywood stem from several factors. First, the wood itself is a natural insulator. Wood has a relatively low thermal conductivity, which means it resists the transfer of heat. The cellular structure of wood contains air pockets, which act as barriers to heat flow. These air pockets slow down the movement of heat energy, helping to keep the interior of a building or structure at a more stable temperature.
Second, the film layer on the plywood surface can also contribute to insulation. The film can act as a vapor barrier, preventing moisture from penetrating the plywood. Moisture can significantly reduce the insulation effectiveness of materials, as water has a high thermal conductivity. By keeping the plywood dry, the film helps maintain its insulation properties over time.
Thermal Insulation Performance
The thermal insulation performance of film faced plywood is typically measured by its thermal conductivity, which is expressed in watts per meter-kelvin (W/m·K). A lower thermal conductivity value indicates better insulation. The thermal conductivity of film faced plywood can vary depending on several factors, including the type of wood used, the thickness of the plywood, and the type of film applied.


On average, film faced plywood has a thermal conductivity ranging from 0.1 to 0.2 W/m·K. This makes it a moderately good insulator compared to other building materials. For example, concrete has a thermal conductivity of around 1.7 W/m·K, while steel has a much higher value of approximately 50 W/m·K.
Factors Affecting Insulation Properties
Several factors can influence the insulation properties of film faced plywood. One of the most important factors is the type of wood species used. Different wood species have different densities and cellular structures, which can affect their thermal conductivity. For instance, softwoods such as pine and spruce generally have lower thermal conductivities than hardwoods like oak and maple.
The thickness of the plywood also plays a role in insulation. Thicker plywood generally provides better insulation, as there is more material to resist heat transfer. However, increasing the thickness also increases the cost and weight of the plywood, so a balance needs to be struck between insulation performance and practical considerations.
The type of film applied to the plywood can also impact insulation. Some films have better insulating properties than others. For example, phenolic film, which is commonly used in film faced plywood, has good thermal resistance and can enhance the overall insulation performance of the plywood.
Applications of Film Faced Plywood for Insulation
Film faced plywood is widely used in various applications where insulation is important. In the construction industry, it is commonly used for formwork in concrete construction. The insulation properties of the plywood help to maintain a more stable temperature during the concrete curing process, which can improve the quality and strength of the concrete.
It is also used in building envelopes, such as walls, roofs, and floors. Film faced plywood can be installed as a sheathing material, providing both structural support and insulation. In addition, it can be used in interior partitions and ceilings to help reduce heat transfer between different rooms.
In the industrial sector, film faced plywood is used in cold storage facilities, refrigerated trucks, and other applications where temperature control is critical. Its insulation properties help to keep the interior of these structures at a low temperature, reducing energy consumption and maintaining the quality of stored goods.
Our Product Range
As a supplier of film faced plywood, we offer a wide range of products with excellent insulation properties. Our Phenolic Film Faced Plywood 18mm is made from high-quality wood veneers and coated with a phenolic film, which provides superior insulation and durability.
We also have Black Film Faced Shuttering Plywood For Construction Buildings 16.5mm 17.5mm 18mm, which is specifically designed for construction applications. This plywood is suitable for use in formwork and other structural elements, offering good insulation and resistance to wear and tear.
For marine applications, our Marine Plywood For Shuttering Plywood Red Film High Quality is an ideal choice. It is made from marine-grade wood and coated with a red film, which provides excellent protection against moisture and corrosion, as well as good insulation properties.
Contact Us for Procurement
If you are interested in purchasing film faced plywood for your insulation needs, we would be delighted to assist you. Our team of experts can provide you with detailed information about our products, including their insulation properties, specifications, and pricing. We can also offer customized solutions to meet your specific requirements.
Whether you are a contractor, builder, or industrial user, we are committed to providing you with high-quality film faced plywood at competitive prices. Contact us today to start a procurement discussion and find the best insulation solution for your project.
References
- ASHRAE Handbook of Fundamentals. American Society of Heating, Refrigerating and Air-Conditioning Engineers.
- Wood Handbook: Wood as an Engineering Material. Forest Products Laboratory, U.S. Department of Agriculture.



