Ohio Gratings, Inc.
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Punch Pattern Guide

Aluminum plank grating is available unpunched or with a variety of punch patterns as shown. Rectangular or square punched holes are most commonly used for water and waste treatment plants and in marine applications.The surface of plank grating can be specified as plain or with one of two styles of upsets (OGi or WACO) designed to promote a slip resistant walkway, especially in the presence of moisture, oil or other spilled substances. All of our Diagonal Punched Patterns meet ADA specifications for high heel and wheelchair traffic.