Ultra-Base MR 60

Gyprock Ultra-Base MR 60 is a premium lightweight base coat with superior moisture and mould resistance. The product is tinted light blue for easy identification on the job.

Product Overview

Gyprock® Ultra-Base MR 60 is a setting type base coat formulation with a working life of approx 60 minutes from application. It is for the jointing of Gyprock plasterboard in all areas of the home. Its lightweight formulation is ultra-easy to apply and it offers enhanced moisture and mould resistance, making it ideal for use with Gyprock Aquachek™ in wet areas and protected exterior applications such as alfresco areas. Joints may be finished with any Gyprock topping or all-purpose compound and sanded smooth prior to decoration.

Product Data Sheet

Safety Data Sheet

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Typical Applications

Gyprock Ultra-Base MR 60 is typically used for the first and second coat in a three coat jointing system in residential and commercials walls and ceilings. Its mould & moisture resistant properties make it perfect for jointing Gyprock Aquachek and Gyprock EC08 Complete in bathrooms, wet areas and laundries and throughout the homes of asthma and allergy sufferers. Ultra-Base MR 60 is designed for application with hand tools, mud boxes, automatic tapers and other machine tools.

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Key Features

Australian Made

Licensed by Australian Made Campaign Ltd

Powerful Antifungal Agent

Resists mould and mildew

Hand and Machine Tool Applied

Easy application with a range of tools

Moisture Resistant

Suitable for wet areas

Compound Selection

Plasterboard Jointing Compound Selection - Hand or Mechanical Application

Tape Coat	Second Coat*	Finish Coat
Any of the following:	Any of the following:	Any of the following:
Base Coat 20 Base Coat 45 Base Coat 60 Base Coat 90 Ultra-Base MR 60 Easy Base Taping Compound Wet Area Base Coat Easy-Flow Pro-Repair 10 Less Mess Multi-Purpose Compound	Base Coat 20 Base Coat 45 Base Coat 60 Base Coat 90 Ultra-Base MR 60 Easy Base Taping Compound Wet Area Base Coat Easy-Flow Pro-Repair 10 Less Mess Multi-Purpose Compound	Jointmaster Ultra-Top Easy Finish Gold Easy Flow Less Mess Topping Compound Less Mess Multi-Purpose Compound Pro-Repair 10 (over setting type base coats only)

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Plasterboard Jointing System Selection - Tiled Areas

WALL	Tape Coat	Second Coat*	Finish Coat
Waterproof or water resistant	Wet Area Base Coat Ultra-Base MR 60	Wet Area Base Coat Ultra-Base MR 60	Nil
Other Areas	Base Coat 20 Base Coat 45 Base Coat 60 Base Coat 90 Wet Area Base Coat Ultra-Base MR 60 Easy Base	Base Coat 20 Base Coat 45 Base Coat 60 Base Coat 90 Wet Area Base Coat Ultra-Base MR 60 Easy Base	Nil

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Technical Specifications

Product Options

Gyprock Ultra-Base MR 60 is available in a 16kg bag with a coverage of 13kg/100m2.

It has a shelf life of 1 year from date of manufacture.

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

Gyprock Ultra-Base MR 60 is manufactured by CSR Gyprock in Australia to stringent product specifications.

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Physical & Chemical Properties

Specific gravity (H₂O=1)	1.4-1.6
VOC content (as specified by GBCA)	2g/L as VOC content per material

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Product Handling

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

Storage: Store bags of compound in a dry environment, protected from the weather and out of direct sunlight. Tear bag open from top corner to dispense compound. Unused product which has been mixed with water should be discarded. Unused product in powder format should be stored in original bag: roll the top of the bag to loosely seal, and store in an airtight container.

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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.

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Installation Instructions

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

Residential Installation Guide

Design considerations and installation instructions.

Download Guide

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View Resources

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

View Resources

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Mixing and Application Instructions

Mixing

Add compound to water and mix to a creamy consistency. Use the proportion of approximately 5kg to 3 litres of water. The mixture is immediately ready for use. Gyprock Ultra-Base MR 60 has a working life of about 60 minutes. Do not mix more material than can be used in 60 minutes.

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Application

FIRST COAT

Fill recess evenly and fully with compound.
Bed in Gyprock Perforated Paper Tape centrally over the joint and cover lightly with compound. Apply at least 1mm thickness of compound under the tape.
Bed tapes to butt joints and internal corner angles. Apply at least 1mm thickness of compound under the tape.
Cover all metal corner beads and fastener heads.
Allow compound to set and harden for at least 75 minutes before recoating.

SECOND COAT

Apply a second coat of Gyprock Ultra-Base MR 60 to:
1. Recessed edge joints to a width of about 180mm
2. Butt joints to a width of about 400mm
3. Metal corner beads to a width of about 200mm
4. Fastener heads
5. Allow compound to set and harden for at least 75 minutes before recoating. Ideally, the joint should be fully dry before the final coat is applied.

THIRD COAT

Apply a thin final coat of any Gyprock topping or all-purpose compound.
Allow approximately 24 hours for it to dry, then sand to a smooth finish using 180 grit sandpaper or 220 grit sanding mesh

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Performance Guaranteed

Australian Made

Licensed by Australian Made Campaign Limited to use the Australian Made Logo.

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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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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.

Ultra-Base MR 60

Gyprock Ultra-Base MR 60 is a premium lightweight base coat with superior moisture and mould resistance. The product is tinted light blue for easy identification on the job.

Product Overview

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Typical Applications

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Key Features

Australian Made

Powerful Antifungal Agent

Hand and Machine Tool Applied

Moisture Resistant

Compound Selection

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Technical Specifications

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Installation Instructions

Residential Installation Guide

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View Resources

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Mixing and Application Instructions

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Performance Guaranteed

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Explore more

The Red Book

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Levels of Finish

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Warranty

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Find a supplier near you

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Typical Applications

Residential Installation Guide

View Resources

The Red Book

Levels of Finish

Warranty

Find a supplier near you

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