Daystar iStructural.com currently includes the following modules:

Retaining Walls

• Cantilevered/Restrained Concrete and Masonry Retaining Walls
• Tapered Cantilevered/Restrained Concrete Retaining Walls
• Coulomb/Rankine/EFP Soil Loads
• Water Table Loads
• Surcharge Loads

Masonry Walls

• Allowable Stress & Strength/Slender Wall Design
• Pinned-Pinned, Fixed-Pinned, Fixed Only Analysis
• Wall and Parapet Design

Spread footings, combined footings and additional masonry design modules will be added soon.

Please see the account types comparison page for details on the features and pricing of each type of account.

Sign up for an account at www.istructural.com/signup.

Daystar iStructural.com supports the following browsers:

• Internet Explorer 7 and above
• Firefox 3.0 and above
• Google Chrome 4 and above
• Safari 4 and above

The following list is in order starting with the best performance:

• Chrome 5
• Chrome 4
• Firefox 3.5
• Safari 5.0
• Safari 4.0
• Firefox 3.0
• Internet Explorer 8
• Internet Explorer 7

You can install any of the above browsers for Daystar iStructural.com and still use Internet Explorer for other websites.

After a preset period of inactivity Daystar iStructural.com will end the current session. The page showing at the time will still be there but if you try to save, calculate or print you will receive a warning that your session has timed out and that you will need to login. Open a new tab in the same browser and go to the login screen. Read More »

Go to the following websites and download them for free:

• Chrome – www.google.com/chrome
• Firefox – www.getfirefox.com
• Safari – www.apple.com/downloads

Daystar iStructural.com will work with Windows, Macintosh OS/X and Linux.

Daystar iStructural.com currently includes the following codes:

• IBC 2006
• IBC 2003
• IBC 2000
• UBC 1997

IBC 2009 will be added soon.

Daystar iStructural.com is a suite of structural engineering software that runs entirely in your browser.  Each module is as full featured as our competitors stand alone software but does not require you to keep track of licenses, installations and updates.  When a new update is ready it is immediately available to you at no extra cost the next time you login.  In addition, you can login from any computer no matter where you are.  No need to be concerned about which computer has the software or data.

Depending upon the subscription length that you choose, you will be charged monthly or annually as long as your account is active.  If you decide that you will not be using Daystar iStructural.com for a while, you can deactivate your account.  Once your account is deactivated you will not be charged monthly or annual fees but you will still be able to view and print existing calculations.  At any time you can activate your account and have full access again.

Please see the Sign Up page for more information.