Use Plastic Wrap to Block Drafts. To seal the joints where your old, wooden window sashes meet the jamb, tuck plastic food wrap into the gaps. You can fill the space around and between the sashes using a putty knife to push the plastic deep into the tracks. using saran wrap to insulate windows How to Insulate Your Windows with Bubble Wrap. You will need a spray bottle, an exacto knife and some bubble wrap. Mist the water onto your window. Push the bubble side of the wrap against the window. The water will hold the bubble wrap to the window all winter. You will need no tape or glue. Use the exacto knife to cut away any excess. The bubble wrap will not stain your windows.
Not literally, but just about. In the next year or two we'll be replacing the old, crappy, singlepaned aluminum windows in our house. For this winter, though, we're covering them over with a layer of window insulation wrap. Available at hardware and home improvement stores (aisle B6, at weatherstripping, in the Eugene Jerry's), this is a cheap way to keep some of the cold out and the using saran wrap to insulate windows
using saran wrap to insulate windows