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AFCO Manufacturing Corp.



AFCO is the original designer and manufacturer of the “Zip” Adjustable Steel Columns. 

Our mission at AFCO is to deliver the highest value to our partners by providing a quality product and ensuring superior customer service.

AFCO realizes that our relationship with our partners is our existence. We are committed to the pursuit of excellence and define ourselves as a maintenance free vendor. The foundation is built by exceeding expectations and gaining trust through exceptional performance by every member of our team.

Our vision at AFCO is to be the most respected leader in the industry through our drive, devotion and expertise. Let AFCO be your trusted support.

AFCO Products & Services

Adjustable Steel Columns


  • One-piece unit — no loose parts
  • Fast, simple one man installation
  • Cap plates fit either wood or steel beams
  • Installs 3 times faster than concrete columns
  • ICC Accredited: ESR-2452
  • 4″ length adjustment
  • Manufactured to your specifications
  • Corrects irregular footing

AFCO Manufacturing is an ICC accredited manufacturer of Zip Adjustable Steel Columns (ESR-2452).
View our ICC publication on ASD vs. LRFD load differences.


“Zip” Adjustable Columns are available in two colors: gray and red.

“Zip” Adjustable Columns are manufactured in 3″ length increments and in a variety of sizes to meet your specifications (length: 1’0″ — 12’0″*). Protected with a corrosion resistant finish, “Zip” Columns meet all building code standards. They’re labeled for easy identification. 3″, 3½”, and 4″ 11 GA tubing and 3″, 3½”, and 4″ SCH 40 (HD) pipe.

Other lengths available upon request

ICC-ES Report Instruction Instructions

Column Accessories


Base Plate

Typically used for wood beam installation. Dimensions: 4″ x 8″.

CC3 Plate

3″ clip cap. A universal fit for wood or steel beams. Dimensions: 5-1/4″ x 8″.

CC4 Plate

4″ clip cap. A universal fit for wood or steel beams. Dimensions: 6″ x 8″

CC12 Plate

CC12″ clip cap. A universal fit for wood or steel beams. Dimensions: 6″ x 12″ 

MCC Plate

Master clip cap. A universal fit for wood or steel beams. Dimensions: 7-3/4″ x 9″


  • Allows for the 4″ adjustment on columns
  • Can be ordered separately
  • Available in all tube diameters and HD


3½” x 5¾”
4¾” x 6½”


LSS’s are designed to fit the “Zip” Adjustable Column for support on the bottom of a wood beam.

Saddle Support Dimensions (W x H x L):
2 ply* 3-5/8″ x 4″ x 8-3/4″
3 ply* 5-7/16″ x 4″ x 8-3/4″

Floor Jacks

Support your sagging floors or unstable stairs with our Super Support Posts. SSP securely reinforce heavy load areas. Extra heavy steel posts and parts allow various load capacities ranging from 9,100 lbs — 18,000 lbs. SSP featured corrosion resistant paint.

Porch Support


  • One-piece unit. Allows for temporary support of porch or any overhanging during the construction process.
  • 3″ 11G steel tubing
  • Allows for 16″ of adjustment
  • Allowable Load: 3,000 pounds
  • Hardware included:
    • (4) 2-1/2″ Phillips wood screws
    • (4) 1-3/4″ Tapcon Screws
    • (1) 3-1/2″ Masonry Bit
  • Available in safety orange
  • Replacement Screw Assembly and Hardware can be purchased separately for repeated use of column

Available in Sizes

  • 6’6″ – 7’10”
  • 7’6″ – 8’10”
  • 8’6″ – 9’10”
  • 9’6″ – 10’10”
Safety Sky Hooks

Safety Sky Hooks are a one-piece steel anchoring unit used as a personal fall arrest system.
They attach to roof trusses and are available in 16″ and 24″.

Steel Lintel Angles

Our Steel Lintel Angles are in stock and available in many sizes and all lengths.


Flashing is available for purchase in stock sizes of:

  • 1-1/2″ x 1″ x 1/4″ x 8′
  • 1-1/2″ x 1-1/4″ x 1/4″ x 8′
  • 1-1/2″ x 1-1/2″ x 1/4″ x 8′

White 90 degrees in 50 pieces per box. Other sizes available upon request. Minimum order 50 pieces.


Call us for any of your steel fabrication needs. With years of experience and a team of highly skilled professionals, we are your trusted partner in steel fabrication.

Steel Shims

Steel shims available in sizes:

  • 4″ x 4″ x 1/8″
  • 4″ x 4″ x 1/4″
  • Other sizes avaiable upon request

What customers say.

„ Quick and easy! Does the job that it is built to do. “

A. Smith

We’re here for you, and we look forward to hearing from you!

Feel free to reach out to us with any questions, feedback, or inquiries. We’re here to assist you and will respond promptly.


Physical Address
AFCO Manufacturing Corp.
428 Cogshall St.
Holly, MI 48442

Mail Address
AFCO Manufacturing Corp.
PO Box 230
Holly, MI 48442

Get in Touch