Wall Hole

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An opening less than thirty (30) inches (in) but more than one (1) inch (in) high,of unrestricted width, in any wall or partition; such as a ventilation/" target="_blank" data-mobile-support="0" data-gt-translate-attributes='[{"attribute":"data-cmtooltip", "format":"html"}]'>ventilation hole or greencultured.co/glossary/drainage/" target="_blank" data-mobile-support="0" data-gt-translate-attributes='[{"attribute":"data-cmtooltip", "format":"html"}]'>drainage scupper.