Email info@calcupine.com. We read every message and usually reply within two business days.
Good reasons to write
- A result looks wrong. Send the link from the calculator's Share this result button so we can see exactly what you entered.
- You want a new calculator. Tell us the project and what you need to buy for it.
- You want to embed a calculator on your blog or business site. Embedding is free; the code is at the bottom of each calculator page.
- Privacy questions about the data described in our privacy policy.
We cannot give project-specific engineering or code advice. For structural questions, please contact a licensed contractor or your local building department.