TreadSpec™
Welcome to TreadSpec™ – Treadwell’s Online Specifier.
Our selection calculators allow users to fill in their selection criteria, and provides a recommended product suitable to your requirements. These tools were designed to provide ease of outline and inspiration to architects, engineers, designers and other users. You will be able to download the results once processed.

Attain sectional dimensions, span, maximum load and deflection of our structural profiles.

Coming Soon
HOW TO USE OUR CALCULATORS
TreadSpec™ Online Structural Calculation Tools
TreadSpec™ Online Grating Calculation Tools