Since 1924, Zero International has been paving the way in the door and hardware industry specializing in weatherstripping and door and window gasketing. We continue to offer the very best door sealing solutions with a variety of gasket options including our unique Compress-O-Matic® gaskets. Over the past 90 years, Zero International has expanded to offer many more exceptional door and hardware products including intumescent fire stopping solutions, acoustical door gaskets, and flood barriers.