Occasionally you may need to do some sanding or cutting of foam board using power tools. Doing that will certainly create dust. You can use a shop vac for your various power tools, but they are loud, bulky, and not easily transported from garage to basement. So if you have a handheld vacuum and a few hose accessories, you can make a somewhat quieter, very portable dust collector. View the post with more details on my HERE. View my blog with tips and resources for foam board modelers HERE.