Hi-Tech Heavy-Duty Closed Shelving - 6 Shelves - Adder - 36"W x 18"D

SKU: HAL-A5521-18HG


Other Shelf Quantities



Hallowell's Hi-Tech Heavy-Duty Closed Shelving Unit is an extremely durable and affordable storage option for your school or business. The shelving unit features 14-gauge beaded steel front posts that help support the six heavy-duty steel shelves. Each shelf holds up to 800 pounds of evenly distributed weight and is punched for the addition of shelf dividers (sold separately). Adjust the shelves in 1 1/2" increments. Welded corners and back keep your shelving unit from wobbling. This adder unit does not stand alone and must be attached to a starter unit (not included). Includes shelf clips for easy assembly. Hallowell's Hi-Tech Heavy-Duty Closed Shelving Unit with Six Shelves is made in the USA and GREENGUARD certified. Backed by a one-year warranty.

Key Features

  • This is an adder unit and does not stand alone
  • Attach adder units to a starter unit (not included) for increased storage
  • Each heavy-duty shelf supports up to 800 pounds
  • Adjust the shelves in 1 1/2" increments
  • Easy assembly required
  • GREENGUARD certified
  • Backed by a one-year warranty


  • Frame Material: 14-gauge steel
  • Shelf Material: 20-gauge steel
  • Shelf Capacity: 800 pounds
  • Finish: Gray powder-coat paint
  • Type: Adder
  • Assembly: Unassembled
  • Width: 36"
  • Depth: 18"
  • Height: 87"
  • Warranty: 1 year
  • Made in the USA
  • Green: GREENGUARD Certified
  • Estimated Lead Time: Ships within 4 - 5 business days
  • Shipping Method: Freight
  • Weight: 113.00 pounds

Click on links below to view or download

File Type Description/Name
PDF Specifications
PDF Brochure
PDF Assembly Instructions