Vestil Dock Leveler Insulation BlanketHelp your company go Green by driving down utility bills. The Dock Leveler Insulation Blanket helps improve heating efficiency while using less energy. Prevents cold air from entering your warehouse from cracks that surround the dock door and leveler. The blanket includes aluminum extrusion, anchors, and hangers that fit most standard doors. The hangers allows for a secure raised blanket position. The blanket will pay for itself many times over by