CELLFILLER E-20 is a pre-mixed, pre-bagged grout. specially designed for filling cells and other cavities when laying concrete blocks. This grout is composed of cementitious materials, masonry sand and other carefully selected components. CELLFILLER E-20 complies with Table 7 of CSA-A179-14 for Fine Grout with addition of water. • Expands during its plastic phase • Superior adherence • Factory calibrated mix • May be poured or pumped • Superior flow and performance characteristics Uses: • Ideal for filling concrete blocks cores and other cavities when a controlled expansion is needed • Can be used indoors and outdoors • Ideal for any application requiring a uniform flow, in addition to being expansive to compensate for shrinkage generally observed with the use of conventional grouts