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For internal linings where the highest impact resistance is critical in a multi-attribute board, such as Health Care projects especially Mental Health Facilities, as well as Correctional Facilities, Sporting Facilities, Schools and Hotels.

Product Overview

Gyprock EC08™ Extreme is an Australian made, GECA certified, multi-function plasterboard with the highest level of specifications in the EC08™ range. It has been specifically designed to meet the highest standards across a broad range of performance requirements, but with a focus on superior impact resistance.

This low VOC board is manufactured with a layer of fibreglass mesh in addition to a dense, fibre-reinforced core and high grammage face paper, which means EC08 Extreme walls offer extreme resistance to damage of all types and stay looking newer for longer. This can result in a reduction of regular and unplanned maintenance, saving ongoing operational costs to the building.

EC08 Extreme is easily identified by its green coloured face paper.

Typical Applications:

In commercial situations, shopping trolleys, hospital gurneys, sports activities in school gymnasiums and luggage in hotel foyers can all pose hard body impact risks. Soft Body impacts generally come from bodies and sports balls and exert pressure over a larger area than that of a hard body impact. EC08 Extreme was developed with these & many other possible impact situations in mind.

EC08™ Extreme is also mould & moisture resistant, and features a high level of recycled content. With the added benefit of fire and acoustic ratings, EC08™ Extreme delivers on all fronts while still retaining all the proven benefits and ease of handling with Gyprock™ Plasterboard that the Australian construction industry expects.
Gyprock EC08™ Extreme
Australian Made and Owned logo in black and white

Australian Made and Owned

Licensed by Australian Made Campaign Ltd
Extreme Impact Resistance Hammer

Extreme Impact Resistance

Reduces damage from hard and soft body impact, and surface indentation
Superior Mould Protection icon with cross

Powerful Antifungal Agent

Resists mould and mildew

wet area icon with droplet

Moisture Resistant

Suitable for wet areas

high recycled content icon with recycle symbol

High Recycled Content

Ideal for green building projects

acoustic performance icon with sound

Acoustic Properties

Helps combat sound transmission

fire rated icon with flame


Can be used as part of a fire-rated system

Tested Impact Performance

Gyprock EC08 Extreme is manufactured with a thick lining paper, dense fibre reinforced core and a layer of strong mesh to enhance the impact resistance. Thorough testing is undertaken here in Australia and independently witnessed to verify its performance.

To find out more about the Gyprock impact testing process and results, please view our Gyprock EC08 Extreme Impact Testing video.

Hard body impact

EC08™ Extreme 13mm is the best performer in the EC08 range in a set of comparative hard body impact tests where a weighted hammer strikes the board, in accordance with ASTM C1629/C1629M-18. In our testing, 114.3 joules of energy was required to damage the board, which is equivalent to a golf ball travelling at over 250km/hr!

EC08 Extreme Hard Body Impact Result

Soft body impact

EC08™ Extreme 13mm meets the requirement of NCC2022 Clause S6C10 (c) [NCC2019: C1.8: 5c]. To verify this a weighted sandbag is swung into the board and the deflection of the board is measured, in accordance with ASTM E 695-03. In comparative testing conducted EC08™ Extreme was our best performing plasterboard for soft body impact.

EC08 Extreme Soft Body Impact Result

Surface Indentation

EC08™ Extreme 13mm meets the requirements of NCC2022 Clause S6C10 (d) [NCC2019: C1.8: 5d]. This requires no more than a 5mm diameter impression when tested. EC08 Extreme measured 3.42mm when tested, which was the best result achieved in our plasterboard range.

EC08 Extreme Surface Indentation Result

Technical Specifications

Product Options

Gyprock EC08 Extreme is available in the following sizes:

Thickness 13mm
Widths 1200mm
Lengths 3000mm*
Edge Profiles Recessed Edge for regular jointing

Stockholdings of specific sizes may vary in different regions.

For the latest product availability in your area and to place an order, contact your nearest supplier.

* Available as a special order, minimum quantities may apply. Contact your account manager for details.

Product Manufacture

Gyprock EC08 Extreme is manufactured by CSR Gyprock in Australia to stringent product specifications.

Product Handling

Transportation and manual handling: Refer to the Gypsum Board Manufacturers of Australia (GBMA) website for recommended OH&S practices.

Storage: Protect plasterboard and cornice from weather and moisture. Avoid products sagging by storing horizontally, supported on a level platform or full-width support members spaced at max. 600mm centres.

Health and Safety

Safety Data Sheets are important documents in the construction industry and assist in the continuing focus on occupational health and safety on and off sites.

Manufacturing Tolerances

Nominal Thickness 13mm ± 0.5mm
Nominal Widths 1200mm ± 3mm
Nominal Lengths 3000mm and 3600mm ± 5mm
Squareness Cut ends ± 3mm in the width of the board

Physical Properties

Nominal Board Weight* 12.4kg/m2
Thermal Resistance 0.05 m2K/W 
VOC level (as per GBCA limits)  0.025 mg/m2/hr
Fire Hazard Properties∆ Average Specific Extinction Area (ASEA)
Group Number 1
Report Reference WFRA 45759
Combustibility◊ Plasterboard may be used wherever a non-combustible material is required.
Total Recycled Content°

* Subject to reasonable manufacturing variance
∆ In accordance with AS ISO 9705 and AS 5637.1 
◊ In accordance with NCC2022 Vol 1 Clause C2D10(6)(a) and NCC2019 Amdt1 Vol Clause C1.9(e)(i).
°This plasterboard may require extra processing when recycling due to the presence of glass fibre mesh material.

Installation Instructions


Gyprock makes available resources that provide comprehensive selection, design, installation and maintenance guidance. 

Commercial Installation Guide

Design considerations and installation instructions.

Australian Made and Owned

Australian Made and Owned

Licensed by Australian Made Campaign Limited to use the Australian Made Logo.
Manufactured For Life red logo with the shape of Australia in the centre.

Manufactured for Life

Gyprock plasterboard products are manufactured for life with all CSR products designed to achieve optimal performance when part of a CSR integrated system.

GECA Accredited

Verified by an independent conformity assessment body to meet the environmental, health and social/ethical criteria of the GECA Panel Boards standard.