Zero International

The seal of approval.

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.

Our Products
  • Thresholds
  • Automatic door bottoms
  • Perimeter seals
  • Weatherstripping
  • Intumescent solutions
  • Sound control
  • Specialty solutions
Applications
  • K-12
  • Higher Education
  • Health care
  • Multifamily
  • Government
  • Commercial 
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