Roombook Areabook Extension for Autodesk Revit 2013 and Autodesk Revit LT 2013

The Roombook Areabook Extension for Autodesk® Revit® 2013*, Autodesk® Revit® Architecture 2013, Autodesk® Revit® Structure 2013, Autodesk® Revit® MEP 2013, and Autodesk® Revit LT™ software helps calculate the surface area of walls, floors and ceiling elements, room circumferences and the total number of furnishing elements within a project. 

In addition to the automated detection of room areas and surfaces, this extension helps users configure these elements manually to local requirements, as well as achieve more accurate model take-offs. Quantified results can be exported to Microsoft® Excel® software and Autodesk® Quantity Takeoff (QTO) software.

*Autodesk Revit 2013 software is only available as part of the Autodesk® Building Design Suite 2013 Premium and Ultimate Editions.

Release Date: 2012-11-01
Source: Autodesk Subscription Page

Revit Structure 2013 Update Release 2

Revit Structure 2013 Update Release 2 is now available for download from Autodesk site. 
Update Release 2 (Build: 20121003_2115) is not a full install; rather it is using service pack technology similar to AutoCAD®- based products. Prior to installing the Update Release 2, please verify that you have already installed the First Customer Ship build of Autodesk Revit Structure 2013 (Build: 20120221_2030) or Update Release 1 for Autodesk Revit Structure 2013 (Build: 20120716_1115).


Link for more details:
Revit Structure 2013 Update Release 2

Source: Autodesk Site