click to enlargeProduct Code:
MblockCategory: CompoundsManufacturer: KnaufSpecifications:
> Strengthens joints
> Minimises joint cracking
> Long setting time
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MastaBlock is a specially formulated plaster designed for back-blocking ceiling & wall joints. Back-blocking reinforces the ceiling joint and minimises deformation and possible cracking that may occur due to building movement. MastaBlock is a distinctive pink colour and sets in 4 hours to allow plenty of time to complete the job. MastaBlock Back Blocking Cement is available in 20kg bags.