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Description

Marine Plywood                                                                   Standard: AS/NZS 2272
Appearance Description Grade Thickness Length x Width (mm)
 Applications
marine---marine-plywood-as The ‘Rolls Royce’ of Plywoods. Manufactured with Type-A-bond glue and no core gaps. Uses selected species with minimum stress grade F14 with ‘A’ grade, sanded face and back. Waterproof adhesive will resist rotting in high-moisture environment ‘A’ face
‘A’ back
4mm
6mm
9mm
12mm
16mm
19mm
25mm
2400 x 1200
2400 x 1200
2400 x 1200
2400 x 1200
2400 x 1200
2400 x 1200
2400 x 1200
Boat building
Docks
Building and construction where there is exposure to a high-moisture environment
Motor homes
Feature walls
BS 1088 Imported Marine Plywood                                    Standard: BS 1088
Appearance Description Grade Thickness LengthxWidth (mm)  Applications
marine---bs1088-imported-marine-ply Made with untreated tropical hardwood veneers having a suitable prescribed level of resistance to fungal attack with a Type-A-bond, WBP quality glue line between the plies. Solid surface face veneers are free from open imperfections ‘A’ face
‘A’ back
4mm
6mm
9mm
12mm
15mm
18mm
24mm
2440 x 1220
2440 x 1220
2440 x 1220
2440 x 1220
2440 x 1220
2440 x 1220
2440 x 1220
Boat building
Building and construction where there is exposure to a high-moisture environments Motor homes

Please note each state carries different stock so please contact your local Gunnersen Branch for availability

Technical

For more information please download the Material Safety Data Sheets (MSDS).

 pdf marine_ply_boral 16.13 Kb

pdfFormaldehyde Emission Classifications

pdf marine_plywood-austral 27.05 Kb

pdf super_e0_austral_certificate 338.88 Kb

For more information on Marine Ply standards BS1088 download the following pdf:

pdf marine_ply_standards_bs1088 1.61 Mb

IMPORTANT: Do not use oil based products on Hoop Pine plywood.  Please visit www.australply.com.au for more finishing guidelines.

PRODUCT WARNING:
Austral Plywoods will not be involved in future disputes for end users using oil based finishes on our plywood.

The above caption now appears on all invoices and delivery dockets. There are a number of warnings on our website and EWPAA website.

Our recommendation is Dulux Intergrain UltraClear UV Non Yellowing Water Based Polyurethane.

LEAD TIMES

Current lead times for Austral Plywoods are as follows:
A-C Exterior and Interior is approx 10 weeks
Marine is 6 - 8 weeks
B-B is 6 - 8 weeks
B-B Multiply is approx 6 weeks
Please check on B-C and B-D options in exterior and interior, ex stock
We also have some 18x12 and 24x9 on the floor from cut backs

The strongest, lightest, most versatile utility and decorative product made from a renewable resource, plywood is kilo for kilo stronger than steel. Plywood was the first type of engineered wood to be invented. It is made from thin sheets of wood veneer, called plies or veneers. These are stacked together with the direction of each ply’s grain differing from its neighbours’ by 90° (cross banding). The plies are bonded under heat and pressure with strong adhesives, usually phenol formaldehyde resin, making plywood a type of composite material. Laminating an odd number of plies (3, 5, 7...) reduces warping while increasing the number of plies increases the resistance to shearing forces. A common reason for using plywood instead of plain wood is its resistance to cracking, shrinkage, twisting/warping, and its general high degree of strength.

BENEFITS OF PLYWOOD
Renewable Resource - A natural product from a renewable resource.
Beautiful - Preferred because of its warmth and natural markings.
Strength - Unique cross-layered structure makes it kilo for kilo, stronger than steel.
Efficiency - Uses more of the log than timber.
Versatility - Can be bent and formed to meet various sizes and shapes.
Durability - Long-lasting and good resistance to damage.

TYPES OF PLYWOOD
Plywood can be broadly classed as either ‘Exterior’ plywood or ‘Interior’ plywood. Veneer quality, glue type and timber species are the major contributing factors that determine the application of a plywood panel.

VENEER QUALITY
Plywood is classified according to grades, which are based on face and back veneer quality. The Plywood Association of Australia (PAA) grading standards are as specified in the following table.

a-grade a-grade a-grade a-grade a-grade a-grade
Grade A Grade S Grade B Grade C Grade D Grade PG
Description: Description: Description: Description: Description: Description:
A high quality appearance grade veneer suitable for clear finishing. An appearance grade veneer which permits natural characteristics such as knots as a decorative feature subject to agreement. An appearance grade suitable for high quality paint finishing. A non-appearance grade with a solid surface. All imperfections such as knot holes or splits are filled. A non-appearance grade with permitted open imperfections. Limited number of knots and knot holes up to 75mm wide are permitted. A non-appearance grade that has open imperfections such as holes, knots, splits and rough grain.
Applications Applications Applications Applications Applications Applications
Textured exterior cladding
Interior wall lining
Interior ceiling lining
Furniture & joinery
Decorative applications
Interior wall lining
Interior ceiling lining
Furniture & joinery
Concrete formwork
Primary sheathing
Signs
Engineered components
Concrete formwork
Gussets Roof decking
Flooring Sub sheathing
Bins, boxes & crates
Stressed skin panels
Hoardings
Structural components
Beams & portals
Roofing Bracing
Utility buildings
Temporary security
covers
Pallets Fillets & liners
General packaging
Crates

 

Most local plywood conforms to the PAA standard with imported plywood in compliance with other grading standards such as:

BB/CC grade which conforms to the Japan Plywood Inspection Corporation (JPIC) standard. BB/CC grade plywood has a good face that may have small
imperfections that are filled and sanded. ‘CC’ back may have rough patches and filled splits.
Overlay and Better (OVL/BTR) is more of an appearance grade plywood that conforms to the International Hardwood Product Association (IHPA) that uses
more veneer in construction to produce higher stress grade plywood.


GLUE BONDS
Glues used to bond veneers together are an element that influences the application of the plywood. Common glues are as follows:

‘A Bond’ (WBP) - a waterproof glue line produced from phenolic resins (WBP -Water Boil Proof adhesive) that will not deteriorate under extreme conditions. It is readily recognisable by its black colour. Type A bond is specified in AS/NZS 2272, 2269 and 2271 for exterior, marine and structural plywood.

‘B Bond’ - produced from melamine fortified urea formaldehyde resin and suitable for limited exposure.

‘C&D Bond’ – is produced from urea formaldehyde resin and suitable for interior use only.


Application  

MARINE PLYWOOD
PROJECT STANDARD
Barns & Sheds  x
Boat Hulls  x
Boxes and Crates  
Bracing  
Caravans & Mobile Homes x
Carts & Wheel-barrows x
Ceilings  x
Cladding  x
Cubby Houses  x
Dog Kennels  x
Doors & Door Skins  x
Exterior Wall Cladding  
Floors (General)  x
Formwork  
Furniture (General)  x
Interior Wall Lining  x
Letterbox  x
Musical Instrument  x
Outdoor Furniture (General)   x
Packaging  
Partitions & Screens  
Platforms & Ramps  
Roofs  x
Scaffold'g  
Shelving  
Signboard & Billboards  x
Table Tops  x
Toys  
Truck & Trailer Floors  x
Wall Cabinets  

 
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