BuildingLink provides numerous channels through which data integration with outside data sets, or program integration with outside software and hardware products can be accomplished.
If you would like the BuildingLink website to include your content in an iFrame that interacts with the site in some way (i.e. it passes information to/from BuildingLink or redirects the user to/from a BuildingLink page) you will quickly discover that IE will not allow it. In order to get around this limitation you will need to add a P3P policy to your site which tells the browser that it is okay. If you do not know how to add a P3P policy to your site you might want to read this article and this article, or refer to the full documentation which includes links to some helpful tools.
TechRepublic: Craft a P3P policy to make IE behave
MSDN Blogs: Strict P3P Validation
Platform for Privacy Preferences (P3P) Project: Enabling smarter Privacy Tools for the Web