Gyprock DIY Multi Purpose Joint Compound

Gyprocksupreg Multi-purpose Joint Compound

Gyprock Multi-purpose Joint Compound is used as a total jointing system for plasterboard sheets on walls and ceilings.

Multi-Purpose Joint Compound is a pre-mixed, all-in-one solution which can be used for all coats in a three coat plasterboard jointing system as well as plasterboard repairs.

It’s 24 hour drying time between coats makes it ideal for home DIY jobs. A faster setting joint can be achieved using a combination of Gyprock base coat and a topping compound such as Gyprock Final-Finish or one of the Professional range toppings.

It is a low VOC compound manufactured by Gyprock in Australia to stringent product specifications.

Product Options

Multi-purpose Joint Compound is available in the Gyprock DIY range in 3 and 6 kg buckets.

The Gyprock Professional range offers larger pack sizes for these all-purpose compounds:

Application


Tape Coat

  • Fill recess in plasterboard evenly and fully with Gyprock Multi-purpose Joint Compound using a 150mm broadknife
  • Bed in Gyprock Paper Tape centrally over the joint and cover lightly with compound.
  • Cover all fastener heads.
  • Allow to dry and harden for at least 24 hours.
Gyprock DIY Tape Coat  

Second Coat

  • Sand off any lumps and apply a second coat, about 170mm wide, finishing slightly above the board surface.
  • Smooth the joint edges with a trowel to remove any lip to reduce sanding.
  • Cover fastener heads with a second coat of compound, laid in a different direction and extending beyond the first coat by about 25mm.
  • Allow to dry and harden for at least 24 hours.
Gyprock DIY Second Coat  

Third Coat

  • Apply a thin finish coat over the previous coat, about 250mm wide.
  • Smooth the joint edges with a trowel to remove any lip to reduce sanding.
  • Cover previously coated fastener heads with a third coat of compound, laid in a different direction, extending beyond the previous coat by about 25mm.
Gyprock DIY Third Coat  

Sanding

  • Allow to dry and harden for at least 24 hours.
  • Using a 150 grit sandpaper or 150-220 grit mesh and sanding float, carefully sand the joint to a smooth, even finish.
  • Avoid scuffing the paper face of the plasterboard where it meets the compound.
Gyprock DIY Sanding  

Note: In wet areas where the wall is to be tiled, use Wet Area Base Coat for the first and second coats and do not apply a topping or all-purpose compound as a third coat.

More Installation Assistance

Comprehensive installation instructions for Gyprock plasterboard and compounds can be found under the Resources tab and include:

For assistance with installation, try searching for a Gyprock plasterer, builder or repairer under the Locations tab.​​​

Endorsements

  • Gyprock products are manufactured for life with all CSR products designed to achieve optimal performance when part of a CSR integrated system
  • All Gyprock jointing products exceed the GBCA specification for Volatile Organic Compound content according to independent testing. Test certificates are available under the Resources tab.
  • Gyprock® Multi-purpose Joint Compound is accredited to the GECA AFSv4.0-2014 Adhesives, Fillers & Sealants Standard which is compliant with the requirements of the GBCA’s Assessment Framework for product certification schemes.