Gyprock CSR 20kg Back Blocking Cement

  • Adhere supporting back-block strips behind joints in plasterboard sheets where there is no framing to fix to
  • Australian Made
  • Easy to mix and apply
  • It has a 2 hour working life once mixed
  • Minimize the risk of joint cracking or distortion
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Gyprock Back-Blocking Cement is a specially formulated plaster based cement used for reinforcing plasterboard joints where there is no framing support.