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Glasroc® X

Rigid air barrier board for exterior wall systems
Technical Specifications Installation Instructions

Glasroc® X Sheathing Board is a high-performance Class 4 vapour permeable rigid air barrier board, designed for use behind facade cladding systems. It provides up to 6 months of weather protection for a building’s interior prior to cladding.

Product Overview

Glasroc X is a 12.5mm thick exterior plasterboard, reinforced with glass mat and UV resistant coating that delivers strength, durability and weather resistance, making it ideal for commercial and multi-res construction.

The Glasroc X system has been tested and assessed to relevant structural, weathertightness, fire, vapour permeability, mould resistance, thermal and acoustic standards, making it the ideal choice for exterior wall applications.

Glasroc X is recommended for use in Climate Zones 2-8. Its Class 4 vapour permeability provides outstanding performance in colder environments (Climate Zones 6, 7 & 8) where the condensation risk is increased.

Engineered to endure high wind environments, Glasroc X withstands wind pressures up ± 6kPa (ULS). The Glasroc X system provides a fire rating of up to FRL 60/60/60 on timber and steel frames⁺ and up to -/90/90 on steel frames⁺.

Glasroc X accelerates construction by enclosing the building and creating a weathertight⁺⁺ environment to allow internal trades to begin sooner. It is easy to handle and install. Boards are simple to score, snap and screw-fix to timber or steel frames. Installation is completed using jointing options like tape or sealant.

Typical Application

  • Designed for structural steel and timber frames
  • Suitable for commercial and multi-res construction
  • To be used as part of a pressure equalised facade system

Glasroc X Tape & Screws

The Glasroc X system, comprising the Glasroc X board, sealing tape, and screws, is engineered to deliver optimal performance.

Glasroc® X sealing tape is specially designed to seal Glasroc X board joints, penetrations, and openings, ensuring weathertight joints. The Glasroc X system has been tested to provide up to 6 months weather exposure.

Glasroc X screws, suitable for both steel and timber frames, feature a Class 4 corrosion-resistant coating, ensuring durable and reliable performance in harsh weather conditions.

Glasroc X Tape with tape box and timber and steel specific screws

Available Edge Profiles

Edge Profile

Recessed Edge (RE) Profile

Glasroc X is available with a recessed edge (RE) edge profile.

Glasroc X Sheathing Board Product Image
Product Data Sheet Safety Data Sheet Find A Supplier

 

Climate zones 2 - 8 in Australia icon

Climate Zones Suitability

Class 4 vapour permeable rigid air barrier suitable for Climate Zones 2-8

Effective weather protection icon

Weather Protection

Up to 6 months weather protection

Weatherproof system

Exceptional weathertightness performance⁺⁺

Moisture and mould resistant icon

Moisture & Mould Resistant

Suitable for exterior applications

Withstands wind pressures icon

High Wind Pressures

Withstands wind pressures up to ± 6kPa (ULS)

Fire protection up to FRL 60/60/60 icon

Fire-Rated Systems

Up to FRL 60/60/60 for timber & steel frames⁺
Up to FRL -/90/90 for steel frames⁺

high recycled content icon with recycle symbol

High Recycled Content

Contains minimum of 30% recycled content

 

⁺ When used with Gyprock Fyrchek as an internal lining.

⁺⁺ When used with Cemintel cavity-fixed cladding, including Territory, Surround, Barestone and ExpressPanel for wind pressures up to ± 2.5kPa (SLS).

Tested Fire Performance

Glasroc X is a high performance gypsum based sheathing board with glass mat reinforcement embedded into its core for improved strength, weather and fire resistance.

The fire rated Glasroc X boards are manufactured with special additives to enhance their fire resistance properties. The additives slow the progress of heat and flame, and when used as part of a CSR fire rated system, provide performance options suitable for many construction types.

Please refer to The Red Book and the Glasroc X Design and Installation Guide for information on fire performance and installation methods for Glasroc X.

Fire Resistant

International Alliance Program

Glasroc X was developed by worldwide plasterboard specialist Saint-Gobain and forms part of Gyprock's International Alliance program. The program is aimed at developing exclusive relationships with leading manufacturers to deliver the best products to the Australian market.

View Warranty
International Alliance

Technical Specifications

Product Options

Glasroc X is available in the following sizes:

Thickness 12.5mm
Widths 1200mm
Lengths 3000mm
2400mm⁺
Edge Profiles Recessed Edge

⁺1200x2400mm is a special order. Minimum order quantity and lead times may apply.

Product Manufacture

Glasroc X is manufactured for CSR Gyprock by worldwide plasterboard specialist Saint-Gobain.

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 12.5mm ± 0.4mm
Nominal Widths 1200mm - 3mm + 0mm
Nominal Lengths 3000mm - 5mm + 0mm
2400mm⁺ - 5mm + 0mm
Squareness ± 6mm

Physical Properties

Nominal Board Weight* 10.9kg/m2
Thermal Performance:
R-Value		 0.05 m2K/W
Combustibility Plasterboard may be used wherever a non-combustible material is required

*Subject to reasonable manufacturing variance.


Installation Instructions

Install to manufacturer's recommendations as outlined in the relevant Installation Guide.

Resources

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

Glasroc X Design and Installation Guide

Xtra weather protection, built in. Rigid air barrier board for exterior wall systems

International Alliance Warranty

 Through the International Alliance program, Gyprock seeks to develop exclusive relationships with leading manufacturers throughout the world to deliver the best technologies and products to the Australian construction industry.
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.

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