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GTEC Joint Cement Xtra is a high quality joint finishing compound, for large projects. For professionals GTEC Joint Cement Xtra can be either hand or machine applied, enabling the quick completion of large areas of GTEC plasterboard tapered joints.


  • Air drying Powder joint finishing compound for professionals
  • Manufactured in 22.5kg bags
  • Lightweight providing superior coverage
  • Easy to sand to a fine smooth finish
  • Perfect complement to GTEC Joint Filler Xtra

Practical support from our technical experts

Technical support: Design stage
Technical Support at Design Stage
Technical support: On-site
Technical Support On Site