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.
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.
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
| 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) |
| 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 |
Technical Specifications
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.
| Specific gravity (H2O=1) | 1.4-1.6 |
| VOC content (as specified by GBCA) | 2g/L as VOC content per material |
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.
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
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.
Mixing and Application Instructions
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.
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:
- Recessed edge joints to a width of about 180mm
- Butt joints to a width of about 400mm
- Metal corner beads to a width of about 200mm
- Fastener heads
- 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
Performance Guaranteed
Licensed by Australian Made Campaign Limited to use the Australian Made Logo.
Gyprock plasterboard products are manufactured for life with all CSR products designed to achieve optimal performance when part of a CSR integrated system.
Verified by an independent conformity assessment body to meet the environmental, health and social/ethical criteria of the GECA Adhesives, Fillers & Sealants standard.
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