Mortar Aid additive:
Additive added to sand & cement to create MAC Mortars
Admixture designed to replace lime in masonry and plaster mortars. R-Mortar Aid meets the requirements as a lime alternate even in seismic zones 3 and 4 (ICCER5403). R-Mortar Aid improves bond strengths, and is safer to handle than lime. Mortar Aid-Plus includes additional water repellent properties.
Increases water repellency integrally
Greatly reduces the chance for efflorescence
Protects from color washout
Safer to handle than lime