DRY-BLOCK® Mortar Admixture, part of the DRY-BLOCK System, isformulated based on a patented technology. It is a liquid, integral water repellent, bond-enhancing admixture for masonry mortar. Tests demonstrate that DRY-BLOCK Mortar Admixture increases the flexural bond of both Portland cement/Lime and Masonry cement mortars to CMUs. The wicking property, the amount of water absorbed, of masonry mortar is dramatically reduced when DRY-BLOCK Mortar Admixture is added at its recommended dosage rate. DRY-BLOCK Mortar Admixture is a requirement for all DRY-BLOCK System projects and no substitutions shall be allowed.

Provides water-repellent mortar
Enhances bond between mortar & concrete masonry units
Minimizes efflorescence at the mortar joint
Improves workability
Packaged for easy jobsite use

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Details

The DRY-BLOCK System has been successfully used on thousands of masonry structures to provide moisture control. It is the leading integral water repellent system on the market to address moisture penetration of CMU (concrete masonry units) and mortar. The DRY-BLOCK System consists of two separate admixtures. DRY-BLOCK Block Admixture is mixed throughout the concrete during manufacture of the CMU and DRYBLOCK Mortar Admixture is added to the mortar. During the curing process, the admixtures within the CMU and mortar become an integral part of the cement matrix. They become locked into the CMU and mortar providing long lasting resistance to water penetration. Due to their unique formulations, DRY-BLOCK Block and DRY-BLOCK Mortar Admixture cannot be used interchangeably.

Additional Information

Manufacturer: W.R. Grace Co.

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