Best Quality Structural and Non-Structural Plywood that Conform to Australian and New Zealand Standards
Plywood is one of the most often used materials in both structural and non-structural structures in Australia and around the world. As the name implies, structural plywood is suitable for use in structural support features in commercial, industrial, and residential constructions. It is also utilised in the construction of braces, walls, and other internal constructions. When long-term weight carrying and structural performance are required, structural plywood is the best choice. If you want to create your trusses with plywood gussets to keep the 2" x 4" together, structural plywood is the way to go. Plywood is highly recognised for its consistency of performance, ease of workability, and long-term viability.
Structural plywood boards are made with A-Bond or B-Bond types of glues. A-Bond glues used in structural plywood are based on phenol formaldehyde resin, while B-Bonds are based on a combination of melamine-urea formaldehyde. Both A-type and B-type glues create a bond strong enough between the plies used in structural plywood so that it can withstand damp conditions and temperature changes. However, A-Bond type glue is much more durable than B-Bond type. Specifications of structural plywood are set out in AS/NZS 2269.0:2008 Plywood – Structural – Specifications.
The difference between structural
and marine plywood
If you want the greatest structural plywood in terms
of endurance and durability, Matilda Veneer, Australia's leading and trusted
provider of plywood and veneer products, recommends B-Bond type structural
plywood. The plywood can resist a lot of abuse from the elements in the
outdoors. If you need material that can endure a lot of dampness, marine grade
plywood is a good option. It is designed to withstand extremely wet situations
such as baths, kitchens, rivers, saunas, and oceans. Marine-grade plywood can
survive boiling for hours without delaminating. Don't get the terms marine
plywood and structural plywood mixed up. While structural plywood qualifies as
marine plywood, not all structural plywood qualifies as marine-grade plywood. Marine plywood also requires a higher
grade of face veneer than exterior-grade structural plywood.
How is non-structural plywood
made?
Non-structural plywood is an economical plywood sheet
that is used in a broad range of applications, ranging from furniture to wall
ceilings and hoardings. Non-structural plywood is not certified as structural
plywood under AS2269. It is made using C-Bond and D-Bond glues. C-Bond plywood
has a higher grade face and is suitable for applying paint. D-Bond type
non-structural plywood has more visible blemishes and less tolerance to
humidity compared to C-Bond type. It can be used in high humidity areas within
internal applications but should be avoided in high humidity exterior applications.
Though non-structural plywood can still be strong enough to provide structural
integrity to your project, but it is not certified to do so.
Uses of non-structural plywood
Also known as interior plywood, non-structural plywood
is mostly used for creative and aesthetic finishes and applications, such as
wall and ceiling linings. As it is intended for use in non-structural
applications, non-structural plywood is suited for use in applications where a
high-quality visual finish is required, such as furniture, panelling, and
joinery.
CD grade non-structural plywood
Non-structural CD grade plywood is of outstanding
quality and appearance. It has a sandblasted face and back. When exposed to
high humidity and temperature changes, plies used in non-structural plywood use
CD bond glues based on urea formaldehyde resin, which deteriorates quickly
compared to A-Bond and B-Bond type glues. When you don't need a structural
rating, non-structural plywood is your best bet. While structural plywood can
be used in non-structural applications, using non-structural plywood in
structural applications is not a smart idea.
Non-structural plywood is commonly used as untreated
panel, but it is also available in treated variants at the Matilda Veneer, such
as HS-S, H2, or H3. These variants of non-structural plywood are appropriate
for long-term outdoor use. If you are looking for the best quality structural
plywood and non-structural plywood, Matilda Veneer has plenty of choices for
you to choose among Blackbutt, Ash, Birch, Gum, Mahogany, Ebony, Oak, Myrtle,
Paldao, and more.
Best quality plywood and veneer
with Chain of Custody certification
Every single piece of structural plywood and
non-structural plywood that Matilda Veneer sells conforms to Australian and New
Zealand standards, and also come with the Chain of Custody certification.
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