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Gyprock Trio features a dramatic three-step profile design with strong modern lines This 75mm cornice delivers a striking presence for modern homes.

Product Overview

While cornice effectively bridges the junctions between walls and ceilings, its purpose extends beyond function, providing the perfect finishing touch to the aesthetic harmony of a home.

The strong, stepped profile of Trio echoes an Art Deco aesthetic and is also perfect for spaces that define modern elegance.

Balanced with other interior design features such as architraves, skirting and even door hardware, Trio cornice can help make a clear style statement in a home. For a more subtle impact in utility rooms and bedrooms, Gyprock Duo is the ideal complementary cornice choice.

Typical Applications

Trio’s strong geometry makes it the perfect choice for modern living spaces or to help create and Art Deco feel.

Trio + Duo – the perfect partnership

The strong stepped profiles of Trio and Duo cornice complement today’s modern interiors. Duo delivers a striking presence to any hallway,  living or entertaining room while slimmer profile of Duo is the perfect partner for bedrooms and utility rooms to create a harmonious style throughout the home.

Gyprock® Duo
Gyprock® Trio
Australian Made and Owned logo in black and white

Australian Made and Owned

Licensed by Australian Made Campaign Ltd
90mm profile icon

75mm Profile

Dramatic and modern

pairing icon with puzzle pieces


Combine with a feature profile for added interest

25 year warranty icon

25 Year Warranty

Specify and install with confidence

Technical Specifications

Product Options

Trio Cornice is available in the following size

Width 75mm
Length 4800mm

Stockholdings may vary. For product availability and to place an order, contact your nearest supplier.

Product Manufacture

Trio Cornice 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.


Installation Instructions

Installing to Standards

AS/NZS2589: Gypsum linings – Application and Finishing outlines the procedures for the installation and finishing of Gyprock cornice in conjunction with additional details contained in Gyprock Technical Literature.



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

Various short cuts of white cornices laid over a plywood sheet

DIY Video & Guide

Installing Gyprock Cornice - watch the video or download the guide

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.