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Closed Monday May 20th
How Engineered Wood Products (EWP) are made and used?

How Engineered Wood Products (EWP) are made and used?

Engineered wood products (EWP) are a family of composite wood products made from wood fibers, strands, veneers, or particles, which are bonded together with adhesives to create a strong and durable product. EWP includes a range of products such as plywood, oriented strand board (OSB), laminated veneer lumber (LVL), and glued-laminated timber (glulam).

Here's a general overview of the process used to make EWP:

  1. Sorting and preparation: The wood fibers or particles are sorted by size and quality. They are then dried, and some are treated with chemicals to enhance their properties, such as resistance to decay, insects, or fire.

  2. Blending and pressing: The wood fibers or particles are blended with adhesives, such as phenol-formaldehyde, melamine-urea-formaldehyde, or polyurethane. The mixture is then pressed into sheets, planks, or beams, depending on the type of product.

  3. Cutting and finishing: The EWP products are cut to the desired dimensions and sanded or coated with a finish to protect them from moisture and other environmental factors.

EWP has a wide range of applications in the construction industry due to its strength, stability, and versatility. Here are some examples of EWP applications:

  1. Plywood: Used for subfloors, wall and roof sheathing, and furniture.

  2. OSB: Used for wall and roof sheathing, flooring, and structural panels.

  3. LVL: Used for beams, headers, and columns in residential and commercial construction.

  4. Glulam: Used for columns, trusses, and arches in bridges, sports arenas, and other large-scale structures.

EWP offers a sustainable and cost-effective alternative to traditional wood products. By using wood fibers and particles that would otherwise go to waste, EWP reduces the demand for virgin timber and helps conserve natural resources. Additionally, EWP is often manufactured in large sheets or beams, which can reduce construction time and labor costs.

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