The Dura-Plate 2300 epoxy-modified cementitious resurfacer from Sherwin-Williams is designed for patching and filling voids and bugholes in concrete and masonry structures, minimizing the potential for pinholing and outgassing. The abrasion-resistant coating is part of a three-component kit that contains Portland cement, hydrophobic thixotropes, fiber reinforcement, graded silica sand and other aggregates. It contains the Part A epoxy, Part B hardener and Part C mortar. 800/524-5979; www.sherwin.com/protective.