Boral Back-Blocking Adhesive is a plaster based setting type compound specially formulated for back-blocking ceiling joints or wall joints. Back-blocking is a mandatory fixing practice described in AS/NZS 2589:2007.
Gypsum Linings - Application and Finishing, back
blocking reinforces plasterboard joints and minimises cracking and peaking resulting from building movement.
Features & Benefits: Long working time of up to 2 hours - excellent wet tack, excellent adhesion - Easy Mixing