• Insulates windows at a fraction of the cost of insulated glass (60% less expensive than glass).
• Saves energy usage and costs - withstands winter's low temperatures and summer's heat.
• Clear, Shatter proof, and Flexible - no distortion or yellowing, child safe, won't stiffen or crack.
• Tough, long life and easy to clean.
• Can be installed on the interior or exterior of any window.
• Available in two heavy gauges - .012 and .016.
• Weatherproof - locks out drafts, winds, rain and snow.
• Multiple uses - windows, doors, screened porches, greenhouses.

Everyone requiring all season protection and desiring year round energy savings can now enjoy the advantages of insulated windows. Whether you're a home owner or renter, have multiple windows or doors, or are looking for the most cost effective window insulation, Glassine is the fast and inexpensive way to insulate.