Using the Insulation Blanket will improve heating efficiency and will save energy. They will pay for themselves many times over by controlling heat loss. The Insulation Blanket is water and mildew resistant. Aluminum extrusion and anchors are provided. Hangers to attach to the door for storing the blanket are standard. A DVD or Video is available-contact us. FOB Shipping Point. Due to tariffs and market conditions, pricing is subject to change.