ProJoint™ Contract SBR 5Ltr

"Water-based emulsion of a modified styrene-butadine polymer. Designed to improve the strength and workability of sand and cement mortar.  Can also be used for priming the surface of natural stone or cement slabs or setts to promote adhesionIn order to achieve the best possible outcome for your paving project, we recommend that you use our professional strength SBR for priming, and as an additive in your bedding mortar. With non-foaming properties SBR controls the density of the mortar and results in a significant increase in compressive, tensile and flexural strength High solids content over 45% Excellent Freeze:thaw resistance Improves strength and workability or mortar Promotes adhesion of natural stone and concrete paving to substrates - can be used as a primer Typical addition is 200ml per 1g of cement"