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Top-quality perimeter sealing systems and thresholds for optimal door performance. Allegion's Zero International brand is recognized as the standard for quality in door sealing hardware. Our perimeter seals and thresholds are engineered for durability and reliable performance even under the most challenging installation and operating conditions. Our sealing products also support green building applications by promoting heating and cooling efficiency.
High quality thresholds with broad application coverage.
Automatic Door Bottoms
ZERO automatic door bottoms are designed for easy, precise installation and are the professional’s choice for superior acoustical sealing performance and long service life.
Zero door gaskets for protecting head, jamb, sill, and meeting stiles are engineered for reliable performance in demanding environments.
ZERO offers a comprehensive selection of kerf seals and pressure-sensitive adhesive (PSA) rubber seals in a variety of materials.
ZERO’s portfolio of solutions for fire protection applications are made of top-quality materials and backed by our engineering and code expertise.
Zero sound seals and systems are built to withstand the stress of the installation process and perform reliably.
ZERO has long been a leader in addressing challenging applications with innovative and unique technology.
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