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Mixed and ready-to-go, Gyprock DIY Pre-mixed Cornice Cement is used for fixing Gyprock cornice at wall and ceiling junctions on plasterboard or fibre cement substrates. 

Product Overview

DIY Pre-mixed Cornice Cement is a ready-to-use drying type compound that provides superior adhesion with good initial grab and high bond strength. This water based product is easy to clean up and the pack can be resealed for later use. 

Typical Applications

Pre-mixed Cornice Cement is typically used to install cornice between plasterboard walls and ceilings. it is also suitable for repairing existing cornice and cornice joints and is easily applied with a small broadknife.

Freshen your style with Gyprock Cornice

The comprehensive Gyprock cornice range helps you add designer touch to any home. Whether you're installing it yourself using Pre-mixed Cornice Cement or specifying a profile to your builder, you're sure to find a style that brings character to the various spaces in your home. 

Range of white cornices cut into small lengths laid out on a plywood sheet
Gyprock® DIY Pre-mixed Cornice Cement in 6kg bucket.
Australian Made and Owned logo in black and white

Australian Made and Owned

Licensed by Australian Made Campaign Ltd
Superior adhesion icon with layered blocks

Superior Adhesion

Good initial grab and excellent adhesion properties

hand application icon with tool

Easy Application

Premixed for easy application

diy range icon with house

DIY Range

Professional quality in convenient pack sizes

Technical Specifications

Product Options

Gyprock DIY Pre-Mixed Cornice Cement is available in a 6kg bucket with a shelf life of 1 year from date to manufacture. 

For product availability and to place an order, contact you nearest supplier.

Physical & Chemical Properties

Specific gravity (H20=1) 1.6 - 2.0
VOC content (as specified by GBCA) 1g/L as VOC content per material

Product Manufacture

Gyprock Pre-Mixed Cornice Cement 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: Store buckets of compound in a dry environment out of direct sunlight. Remove lid and stir prior to use. Unused product should be stored by resealing the original bucket. Remix prior to use. Discard if drying has commenced.

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 jointing and finishing of Gyprock plasterboard 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.

GECA Accredited

Verified by an independent conformity assessment body to meet the environmental, health and social/ethical criteria of the GECA Adhesives, Fillers & Sealants standard.