Family Life How do you insulate aluminum frames? How do you insulate aluminum frames? https://www.youtube.com/watch?v=4VFw28zpILw How do you winterize aluminum windows? - Inspect your windows. ... - Add insulation to doors and windows. ... - Add weather stripping. ... - Caulk around windows and doors. ... - Install storm windows for extra wind protection. ... - Use window insulator kits to increase insulation.