Intruduction:The HW-70 Corner bead is attached to the corner of two adjacent walls. The HW-70 Corner bead is a long strip of rectangular building material bent along the center, lengthwise, typically at a 90-degree angle.The Corner bead gives the corner a crisp appearance by covering the gap between the two sheets of drywall that meet from each wall. Plaster mud is then spread over the drywall and HW-70 corner bead to finish the surface.
Function:
HW-70 Corner beads can be used to alter the style of a building by making subtle design changes. Outer corner walls that have curved corners, as opposed to the traditional 90-degree straight angle, are called bullnose corners.
To achieve this look, affix a curved bullnose corner bead along the corner, where the two sheets of drywall come together and plaster mud is applied.
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