Super Anchor E-Vac Anchor* The Evac (short for Evacuation) anchor is a temporary anchor that mounts onto the truss at framing, sticks up through the sheathing and is used to connect PPE to. * Simply undo the bolt and hammer the anchor down into the attic when the project is complete. * A zip tie keeps the anchor from falling off the truss and will not fall into attic insulation sheetrock. * The roofer patches the hole and the fall protection anchor has been successfully