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By clicking below, you agree that the use of this design aid is for estimating purposes only. Results are not valid for use & no construction or design shall be performed without the review and certification by a registered professional engineer.

No warranty or guarantee whatsoever is offered with any results obtained herein.


Find the capacity, deflection, & reactions of a growing variety of mullions from manufacturer’s systems & standard steel & aluminum shapes.

 It is intended to assist in pre-design of work for the most common questions asked to us. Contact Us to have your shapes added to this tool or for custom applications designed for you.