You will need a high powered shop vacuum. Blown in insulation is messy since it’s loose. It can create respiratory problems and cause contact dermatitis if proper precautions aren’t taken. If you only need to remove excess insulation, or just have a small area to contend with, it can save money to do this yourself.Click to see full answer. Moreover, can I use a shop vac to remove insulation?So, if you want to remove blown-in insulation, you need to buy a high-powered shop vacuum with a very large capacity. Alternatively, you can also rent specialized HEPA-filter insulation removal equipment from a facility which rents out specialized tools and equipment.Subsequently, question is, can you reuse blown in insulation? Cellulose Insulation When installed by professionals, cellulose can often be completely recovered and reused on site, leaving hardly any excess material to go to waste. Special machines used in the blown-in process allow extra material to be vacuumed up and blown back in on site or salvaged for future installation. Also, do I need to remove old blown in insulation? Yes, fiberglass does settle with age, but it takes years for this to happen, and it still does not lose its insulating qualities. Therefore, unless it is damaged or your roof is damaged, you should not have to remove the original insulation.How do you remove loose fill insulation?Another option for loose insulation removal is to rent a HEPA filtered industrial vacuum. These high-powered vacuums do two jobs. First, the machine sucks up the loose insulation. The second step is the routing of the insulation through the hose and directly into a trash container or large bags located outside.