Rent a powerful hepa filter insulation removal vacuum from an equipment rental yard.
How to remove old attic isulation.
Use rakes to collect insulation on to dustpan place collected insulation into waste bag without commercial vacuum usage.
Use the 6 inch 150 foot flexible vacuum hose to draw the insulation from the attic into large bags for disposal.
Use the shop vac to remove remaining insulation after raking and vacuum the attic floor without commercial vacuum usage.
Some attic spaces are very small and tight finding creative ways to maneuver the vacuum inside the attic will go a long way.
Gather the right equipment.
With these in place you ll be able to walk around the attic while removing the insulation.
If the attic is not large enough for a person to move around try tying a rope to the vacuum.
Use the commercial vacuum hose to remove the insulation and clean the attic floor.
Gradually pull the vacuum toward you as it sucks up the insulation.
To maneuver around the attic safely lay large planks at least 6 inches wide across the joists.
How to remove blown in insulation.
For walkthrough areas place a sheet of plastic over the opening and secure with tape.