The wide, expanded-wing flanges are flexible and can compensate for most irregular surfaces providing even grounds and straight corners. The expanded steel near the nose of the corner bead provides multiple plastering and stucco keys allowing for reinforcement and strength where it is needed the most. In addition to reinforcing corners, the #1A Corner Bead can also be used as a return accessory around any recessed opening or as a corner for spray-applied fireproofing when the column of bead is boxed in.
Galvanized steel products should not be used with magnesium oxychloride cement stucco or Portland cement stucco containing calcium chloride additives. The selection of the appropriate type of material for accessories shall be determined by the surrounding climatic and environmental conditions such as salt air, industrial pollution, and high humidity. The #1A Corner Bead is available in Zinc for approved corrosion resistance.
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