Durable and High Quality Structural and Marine Grade Plywood for Use in Interior and Exterior Applications

Plywood is a highly versatile and workable building material made by layering thin sheets of wood veneer, which gives it great strength and flexibility. Plywood can be used to construct light partitions, external walls, and flooring systems. Cross-graining in plywood helps to keep the edges from splitting while they are nailed. It also aids in increasing the material's strength and tightly binding grains. Cross-graining in structural plywood also prevents it from expanding excessively and improves its spatial stability. The plywood board can maintain its consistency in all directions.

To make plywood, at least three thin wood panels must be glued together. Increasing the number of glued layers makes the plywood suitable for use in a variety of applications. The most basic plywood is made up of a particle board core with a veneer on both sides. Plywood core veneer made from rotary cut and slice cut causes very little waste of solid wood. Plywood is a versatile material that is used in structural applications such as:

  •          Wall and roof linings and floorings
  •          Construction of beams
  •          Roof bracing and wall bracing
  •          Subfloors,
  •          Shipping crates
  •          Outdoor flooring and stables

Key benefits of plywood:

Plywood offers a variety of benefits such as

It has good strength compared and durability compared to Medium Density Fibreboard (MDF) and Particle Board

  •          It provides a smooth surface for laminate or veneer to sick on
  •          It is resistive to shrinking, twisting, cracking, and warping
  •          It is economical compared to solid wood
  •          Plywood can be made from different wood species
  •          Plywood can be curved to provide beauty to the workpiece
  •          Plywood also resists bending as an odd number of piles are attached to maintain inside balance

Uses of structural plywood

Structural plywood is available in larger sizes than solid wood, allowing for large pieces with no joints. To be classified as structural plywood, it must meet certain criteria, such as having sheets made of A-bond and B-bond. To meet the Building Code's requirements, structural plywood that is exposed to moisture, such as cladding, must be treated to a minimum timber hazard treatment. In structural plywood, veneer grains are laid against each other at angles ranging from 90 degrees to 180 degrees. Veneers in structural plywood can be laid at 45 or 30 degrees, increasing the strength in all directions.

Marine plywood for use in moist environments

Marine plywood is designed specifically for use in humid, wet, and moisture-laden environments. The marine grade plywood is also fungal resistant because it has small gaps that do not allow water to enter. It is used in the construction of docks and boats. Voids are not permitted in the inner veneer layers of marine plywood because they can delaminate the plywood when filled with moisture. Marine plywood must be made with waterproof glue. It also necessitates a higher grade of face veneer to withstand the harsh exterior environment.

The adhesive used in marine plywood is typically Phenol Formaldehyde, which is well-known for its high adhesive quality. To ensure quality, reputable marine plywood manufacturers in Australia use undiluted resin. While regular plywood is typically made from three plies of wood glued together, marine-grade plywood is made from up to five piles of wood. It is made of water-resistant tropical plywood, a hardwood that is naturally water-resistant, making it ideal for use in applications with high water exposure.

Marine plywood of different grades is available at Matilda Veneer that include:

A-A: This grade of marine plywood typically comes in the sizes of 4 x 8 feet, or 5 x 12 feet and thickness of 0.5 inches (1/2 inch).

A-B: The grade has a thickness of 0.75 inches (3/4 inches) and usually comes in size of 4 x 8 feet. This stronger grade of marine plywood has no open knots.

B-B: This grade is also known as face back marine plywood. Tight pin notes may be present.

MDO: Medium density overlay or MDO marine plywood is made with high-quality thermosetting. It is strong, durable and offers good dimensional stability. The marine plywood is resistant to denting and scratching, and also damage from the weather elements and chemicals.

HDO: High density overlay or HDO marine grade plywood leaves a smoother and shinier finish as it is manufactured with more resin. HDO marine plywood has ½ to ¾ inch thickness, and comes in 4 x 8 feet sizes.

Marine plywood is made from biologically durable hardwoods, incorporating advanced resin technology to provide it durability and strength for long-term use. It is impact-resistant, and its hard exterior makes it scratch-proof. Besides structural plywood and marine plywood, Matilda Veneer also offers a variety of plywood and veneers that include Matilda Lite ply, hoop pine plywood, birch plywood, rotary veneer, Matilda Fireply, and many more appearance grade panels. 

Location: Australia

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