What is back blocking cement used for in Australia?

What is a backer board for concrete?
- Also called a cementitious backer unit or CBU. Because cement backer board is porous, thinset, grout, and mortar adhere well to it. Backer boards can be nailed or screwed into studs or cinderblock, brick mortar, or concrete. Boards can be easily cut with a hand saw, circular saw, jigsaw, or multi-tool.
How do you use gyprock back blocking cement?
- Gyprock Back-Blocking Cement is used to adhere back-blocks to strengthen joints where there is no framing to fix to. It is typically used in butt and recessed joints in ceilings and walls. Gyprock Back-Blocking Cement is available in 20kg bags with a shelf life of 1 year from date of manufacture.
Can you use cement backer board for grout?
- Because cement backer board is porous, thinset, grout, and mortar adhere well to it. Backer boards can be nailed or screwed into studs or cinderblock, brick mortar, or concrete. Boards can be easily cut with a hand saw, circular saw, jigsaw, or multi-tool. What Is Cement Backer Board?


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