Uploaded July 2026 | Updated September 2026, 3 weeks ago

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Watch how easy it is to apply the single-component Mapelastic WRB, a liquid-applied air- and water-resistive barrier to be applied on exterior above-ground walls before the installation of manufactured stone veneer and thin-brick units. Mapelastic WRB minimizes risk of condensation in wall from water vapor diffusion, thus increasing wall durability and the comfort of the building occupants. The rapid-drying formula is rain-resistant within 30 minutes of application under ideal conditions.

For more information, click the links below:

Mapelastic WRB: mapei.com/ca/en-ca/products-and-solutions/products/detail/mapelastic-wrb

Manufactured Stone Veneer Systems: mapei.com/ca/en-ca/products-and-solutions/lines/manufactured-stone-veneer-systems

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