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S2021 Belt Drive Slide System Specs + Details + Drawings + BIM

ProSlide® 2021 Belt Drive

Built on an attractive 4.5" x 7" header, the ProSlide™ 2021 is engineered for longevity and quiet operation in high traffic applications. The ProSlide 2021 is available in an Eco/U-Factor option for energy efficiency and LEED certification. The Series 2021 is verified by SCS Global Services for its Environmental Product Declaration.

Exclusive system features:

  • Tested to 1,000,000 cycles
  • Two-year limited warranty
  • Adjustable astragal with double weatherseal for energy efficiency
  • Easily adjustable opening & closing speeds
  • Manual operation mode in case of power failure


  • Medical Offices
  • Asisted Living
  • Hospitals
  • Urgent Care
  • Data Centers
  • Financial Institutions
  • Warehouses
  • Airports
  • Courthouses


  • Entertainment Venues
  • Food Stores
  • Hotels
  • Restaurants
  • Retail Stores
  • Shopping Centers
  • Fire & Police Stations
  • Government Buildings

Where Used:

  • Main Entrances 
  • Security Doors
  • Emergency Entrances
  • Internal Security Barriers
  • Lounges 
product namebreakoutheader sizehandinstallationarchitectural detailsarchitectural specscadAdd to My Inquiries
ProSlide Series 2021Full 4.5" x 7"SO-SX or SX-SOPerimeter Mount
ProSlide Series 2021Partial4.5" x 7"O-SX or SX-OPerimeter Mount
ProSlide Series 2021None4.5" x 7"O-X or X-OPerimeter Mount
ProSlide Series 2021Full4.5" x 7"SO-SX-SX-SOPerimeter Mount
ProSlide Series 2021Partial4.5" x 7"O-SX-SX-OPerimeter Mount
ProSlide Series 2021None4.5" x 7"O-X-X-OPerimeter Mount
ProSlide Series 2021Partial4.5" x 7"P-SX or SX-PSurface Mount
ProSlide Series 2021None4.5" x 7"P-X or X-PSurface Mount
ProSlide Series 2021Partial4.5" x 7"P-SX-SX-PSurface Mount
ProSlide Series 2021None4.5" x 7"P-X-X-PSurface Mount

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Contact Our Experts

For help selecting the right products for your application or for additional product information please contact us using the form on the right or by calling our Toll Free number:

  • Main Office
    Horton Automatics
    4242 Baldwin Blvd
    Corpus Christi, TX 78405

  • General Inquiries
    Toll Free: 800.531.3111
    Phone: 361.888.5591

  • Customer Care
    Phone: 866.245.7170
    Fax: 888.283.3880

  • Horton OEM Parts
    Fax: 800.531.3109

  • Transit Inquiries
    Phone: 361.866.6642

For Specification And Architect Support, Please Contact Your Regional Business Manager.