<p>Quikrete 20 lb. FastSet Repair Mortar is formulated to make structural repairs to concrete, masonry and stucco surfaces. This mortar resists sagging and is ideal for vertical and overhead repairs. Quikrete 20 lb. FastSet Repair Mortar has a unique formulation that allows the material to be molded and sculpted during placement.</p> <ul><li>For structural repairs of masonry, stucco and concrete</li><br /><li>Ideal for overhead and vertical repairs</li><br /><li>Polymer-modified for excellent bonding to existing surfaces</li><br /><li>30 minute working time</li><br /><li>6000 psi</li><br /><li>Exceeds ASTM C 928 R-2</li></ul>