Interior Cold-Formed Steel Opening Sizer

This web app is designed for contractors who need preliminary sizing, and to communicate what sizes and openings you want to use on a project. 

How it works:  Click Here to watch a tutorial video

1. Enter your opening geometry and requirements.
2. Choose a size that meets your needs.
3. Click “Add Item” to build a list of your openings.
4. When you’re ready, send the list to engineering for formal review.

⚠️ These sizes are preliminary and must be reviewed by a licensed engineer to ensure they meet your building’s design criteria. This page significantly simplifies several engineering concepts, and a thorough analysis by a licensed engineer is still required. Sizes may change.

Need assistance or don’t have a contract with us yet?
Reach out to ctrotter@mcclurevision.com for help or to request a proposal.