Compatible with fiberglass, rockwool, and cellulose insulation, the Volu-Matic MS is the maker’s lightest, most portable insulation blowing machine, designed to help contractors increase efficiencies. The unit is optimized for weatherization work and small- to medium-size jobs and features a 14-horsepower gas-powered engine, eliminating the need for on-site electricity and power cords. certainteed.com/machineworks