Description
The IS8011SI-1220CA Automatic Drop Seal (1220mm) is a high-performance door sealing solution designed to improve acoustic insulation, smoke control, and energy efficiency for interior and exterior doors. Suitable for semi-mortised or surface-mounted installation, this drop seal automatically engages when the door closes, sealing gaps at the bottom to prevent air, smoke, and sound infiltration.
Constructed from durable aluminum and high-quality seal materials, the IS8011SI-1220CA provides long-lasting performance with smooth operation. Its versatile design ensures compatibility with timber, steel, or aluminum doors, making it ideal for residential, commercial, and institutional applications.
Key Features
Automatic Sealing – Engages automatically when door closes for reliable gap sealing.
Versatile Installation – Can be semi-mortised into the door or surface mounted.
Durable Construction – Aluminum body with high-quality seal ensures long life.
Acoustic & Smoke Control – Reduces noise and prevents smoke infiltration.
Easy Retrofit & New Installations – Compatible with timber, steel, and aluminum doors.
Applications
Office buildings and corporate facilities
Hotels, hospitals, and educational institutions
Residential apartments and homes
Industrial and high-occupancy buildings




