You can now click on the link below to download BuildDesk Carbon Checker 1.8.1.004 .
Existing users: note that version 1.8.1 of Carbon Checker incorporates release 5.2d of SBEM and will install into a separate folder and create a separate desktop icon. This version will sit alongside earlier versions (such as 1.8.0, 1.7.3 and 1.6) that use different releases of SBEM. This is so you can continue to do calculations using earlier releases of SBEM. Please take care to ensure that you are using the correct version of Carbon Checker.