RED Calc Free

v1.0, Legacy Tool

Upgrade to RED Calc Pro
Save your calculations to RED Cloud ♦ Organize your work in folders ♦ Save time with templates ♦ Print and save PDF reports ♦ Customizable report headers and footers ♦ Preferential support ♦ Multi-tab/window syncing ♦ Fully functional offline mode ♦ No ads

Learn about RED Calc Pro

Try RED Calc Pro at no cost!

You can use RED Calc Pro for 30 days free!

  • Sign up for a monthly or yearly subscription. To do so, you must use your credit card, which will not be charged until the 30-day free trial period ends. 
  • If you think RED Calc Pro is not for you, you may cancel your subscription during the free-trial period, no charge, no fees.

Get Started with your no-cost trial

Try RED Calc Pro for free

Free Tool Summary: This tool will help determine the information you need for installing dense-pack insulation, including the number of bags of insulation and the installed density. A choice of two framing options is given, hidden and exposed, to help you accurately calculate the framing-factor and the fenestration and penetrations. See Tool Guide. Click on any input or result label for help. By using this tool (application) you agree to the Terms of Use.

NEW – Add questions and comments below the tool!

This legacy tool is NOT optimized for mobile devices. Stay tuned for the mobile-optimized version.