Roberts R45 Additive

R45 Additive is a modified synthetic latex compound for adding to Roberts cement underlay powders to improve tensile strength and adhesion.
When using R45 Additive with Roberts 30 Levelling compound, mix one bag of R30 with 3.9 litres of water and 1.0 litre of R45 Additive.

All substrates should be prepared in accordance with the current Australian Standards.