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Service & Support

Jamison is dedicated to delivering prompt and courteous service to all of our customers. That is why we stock most repair parts in our multi-million dollar inventory and can ship stocked parts the same day if the order is received before noon. This is just one more way that Jamison delivers.

ASSD Fast-Acting Traffic Door


Model ASSD

The Model ASSD is a swift opening and closing motorized strip-door.  Strip-door operation is easily adjusted to suit traffic speed. 


  • May be mounted inside the doorway or within the door jamb
  • Recommended for doorways subjected to infiltration due to temperature differences
  • Fully-lapped fixed strips retain 95% effectiveness
  • Clear plastic strips significantly outlast push-through strips
  • For negative pressure applications under
  • 1 MPH flow-through velocity
  • Can be used between 2 freezers without requiring any heat
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