EntraBOX SMB4 Secure Modular Building Kit (4-Lane, 8 Roll-Up Doors)

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This Turnstile Building Kit provides an easy to assemble, full-size structure to house turnstile equipment. Roll-down doors are across from each other so as to form ‘lanes’. The SMB4 has four lanes and fits four (30″ passage width) single turnstiles.

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EntraBOX Secure Modular Building Kits allow you to build a variety of structures configured to suit your needs. Made of the toughest materials, they are used as turnstile shelters, security checkpoints, mobile guardhouses, site management offices, and time & attendance stations. The SMB4 is a building that houses 4 full-height single turnstiles with 30″ passages (Sold Separately). The building has 8 roll-down doors, (4 on each side) forming 4 lanes through the turnstile building. This unique product from TURNSTILES.us is an excellent solution to your site security needs – with value-engineered pricing. The building ships in pre-fabricated panels broken down, saving money on freight costs. Video and documentation on easy assembly are available online.



  • 4-Lane Secure Modular Building Kit
  • Fiberglass Walls and Roof
    • Chemically resistant, UV protected, non-corrosive
    • Rated as non-combustible
    • High strength, lightweight
    • Pre-engineered for wind and snow loads in North America
  • 8 Roll-Up Doors
  • Internal structural flanges provide a convenient place to fasten or mount equipment
  • Includes LED interior and exterior lighting kit
  • Includes Two CCTV Mini Dome Cameras
  • Protects your turnstiles and equipment
  • Electrical Panel 100 amp with 12 – 20a fuses
  • Designed and manufactured for your application
  • SMB4 Standard build size, outer dimensions:
    • 4 Lanes (Fits 4 AG30-T single turnstiles)
      24’ 4-1/2” L x 8’ D x 8’ 8-1/4” T


  • QUICK ASSEMBLY TIME: Minimal parts, lightweight, high-strength construction, pre-drilled components.
  • EASY TO SHIP Assembled or in parts for faster and less expensive delivery
  • MODULAR DESIGN: Variety of sizes, easy to expand as your needs grow, easy to relocate.
  • OPTIONS: Designed and manufactured for your application.
  • VIRTUALLY MAINTENANCE FREE: Fiberglass, non-corrosive, chemically resistant, UV protected.





TURNSTILES.us has the ability to design and build enclosures in a variety of sizes and styles to suit our customers’ needs. The options are endless. You can add custom features to your Secure Modular Building:



This item comes as a kit. Full assembly services and installation are available from TURNSTILES.us. See our turnstile installation portfolio here.



**Note: Shipping and installation not included. Please contact us for a quote. Final dimensions, colors, and design details shall be approved and signed off by the client prior to fabrication. Ships from Calhan, Colorado, USA.

Additional information

Weight 1200 lbs

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