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Decker Supply carries a wide variety of Sign Posts, and Sign Support Systems. Whether you are looking for Round, U Channel, or Square, we are sure to have one to meet your needs. Most of the posts are available in different lengths, thicknesses, and finishes.

Round Post

Round Posts are a great choice for supporting signs. Along with offering superior strength, the posts are protected from an inline hot-dip galvanizing process, and they are available in different lengths.

U-Channel Post

U-Channel Posts offer great strength and rigidity. They are manufactured from high quality steel, and finished with a protective coating. These posts are available in different weights, lengths, and finishes.

Square Post

The Telespar® sign support is a unique and cost effective system. They are available in two types of posts; galvanized steel tubing with perforated holes on all four sides, and Qwik-Punch® posts. The square post offers several advantages, including easy installation and rapid replacement. These posts are available in different lengths, weights, and finishes.


The MASSH 400 is a ground mounted sign support system accompanied with a superior Gatorshield® finish to prevent corrosion. It’s designed to be impacted from any direction, and is field fit ready. The MASSH-400 will save time and money as well as provide a safer environment for everyone on the roadway before, during and after a traffic incident.